17. What are some of the major causes of extinction today?

Answers

Answer 1
Pollution
Excessive hunting
Deforestation
Answer 2
Pollution and deforestation

Related Questions

Describe the four levels of protein structure. For each level, include: the name of that level of structure how the protein is arranged at that point in time Answer using 4 to 5 complete sentences.

Answers

here are the structures i hope it helps

Answer:

primary, secondary, tertiary, and quaternary.

Explanation:

four levels of protein

1. primary structure of a protein: this is the number and sequence of amino acids held together by the peptide bond in a polypeptide chain.

2. secondary structure of a protein: this described the interaction of the sequence of amino acids in a polypeptide chain, and the bond formed is hydrogen bond.

3. tertiary structure of a protein this is a 3 dimension structure of a protein in the polypeptide chain and the bond formed are hydrogen bond, ionic bond and disulfide bond.

4. quartenary structure of a protein this is a combination of more than one structure which is primary structure, secondary structure and tertiary structure. bond formed are disulfide bond and so on.

what stages are part of the process that animals use to get their energy

Answers

The process in which oxygen and glucose undergo a complex series of chemical reactions inside cells, releasing energy. Fermentation: The process by which cells release energy by breaking down food molecules without using oxygen

What would be a probable explanation for why there are many endemic plants and birds in New Zealand, but no native mammals?

Answers

Answer:

Due to isolated before mammals evolve.

Explanation:

There are many endemic plants and birds in New Zealand, but no native mammals because New Zealand is an island which isolated from Gondwana which is a supercontinent about 85 million years ago. Before mammals evolved, the New Zealand splits and go away from the Gondwana. So due to water only those mammals that can swim or fly colonized in New Zealand but not the land living mammals.

what can a stars color indicate about its properties

Answers

Answer:

A star's color indicates it's temperature, composition and relative distance from earth

Explanation:

I hope this helps, have a good day

Answer:

A star can be defined by five basic characteristics: brightness, color, surface temperature, size and mass.

Brightness. Two characteristics define brightness: luminosity and magnitude. ...

Color. A star's color depends on its surface temperature. ...

Surface Temperature. ...

Size. ...

Mass

What attraction holds the nitrogenous bases together within the double helix?
a
deoxyribonucleic acid
b
ribose sugar
c
hydrogen bonds
d
phosphate

Answers

Hydrogen bonds , ddddddd

Energy conversion within a plant cell would be limited most severely by removal of the cell's - A mitochondria B chloroplasts C ribosomes D endoplasmic reticulum​

Answers

Answer:

The answer is Mitochondria. I took the test and that's the correct answer.

Energy conversion within a plant cell would be limited most severely by removal of the cell's  by mitochondria.

What is mitochondria?

Mitochondria are membrane-bound organelles (mitochondrial, singular) that produce most of the chemical energy required for biochemical reactions in cells.

The chemical energy produced by mitochondria is stored in a small molecule called adenosine triphosphate (ATP).

Mitochondria contain their own small chromosomes. In general, mitochondria, and thus mitochondrial DNA, are inherited only from the mother.

Therefore, Energy conversion within a plant cell would be limited most severely by removal of the cell's  by mitochondria.

To learn more about mitochondria, refer to the link:

https://brainly.com/question/10688306?

#SPJ6

which term names part of the peripheral nerves system A spinal cord B brain C sensors​

Answers

Answer:

[tex]\boxed {\boxed {\sf C. \ Sensors}}[/tex]

Explanation:

There are two divisions of the nervous system: the central and peripheral.

The central nervous system (CNS) is made up of the brain and spinal cord. This section processes information gathered from the sensory organs.

The peripheral nervous system (PNS) is divided into the autonomic and somatic, with different functions. Regardless of the subdivision, the PNS is made up of all the nerves and sensory receptors. The nerves are connected to the brain and spinal cord, which allows them to pass information from the PNS (where it is gathered ) to the CNS (where it is processed).

So, the spinal cord (choice A) and brain (choice B) are parts of the central nervous system, not peripheral. The correct answer must be C. sensors

Answer:

C) Sensors

Explanation:

I hope this helps, I took the test :D Have a great day/night!

Which of the following is NOT a function of proteins


structural support

enzymes

transport across the cell membrane

all of the above are functions of proteins

Answers

Answer:

all of the above

Explanation:

proteins make up the cell membrane, giving the cell structural support.

proteins act as enzymes and catalysts within the cell.

proteins aid in the transport of specific substances.

What is the relationship between genes DNA and proteins

Answers

Answer:

Although you might have heard people talk about a gene for red hair, green eyes or other characteristics, it's important to remember that genes code for proteins, not traits. While your genetic makeup does indeed determine physical traits like eye color, hair color and so forth, your genes affect these traits indirectly by way of the proteins created via DNA.

Hopefully, this answer helped! :D

Answer:

Most genes contain the information require to make proteins. The type of RNA that contains the information needed to make protein is called a messenger RNA or mRNA and it carries the message from the DNA out of the nucleus into the cytoplasm

Explanation:

write a five sentence paragrgh explaining the cell cycle

Answers

Answer:

The cell cycle is a cycle of stages that cells pass through to allow them to divide and produce new cells. It is sometimes referred to as the “cell division cycle” for that reason.

New cells are born through the division of their “parent” cell, producing two “daughter” cells from one single “parent” cell.

Daughter cells start life small, containing only half of the parent cell’s cytoplasm and only one copy of the DNA that is the cell’s “blueprint” or “source code” for survival. In order to divide and produce “daughter cells” of their own, the newborn cells must grow and produce more copies of vital cellular machinery – including their DNA.

The two main parts of the cell cycle are mitosis and interphase.

Mitosis is the phase of cell division, during which a “parent cell” divides to create two “daughter cells.”

The longest part of the cell cycle is called “interphase” – the phase of growth and DNA replication between mitotic cell divisions.

Both mitosis and interphase are divided into smaller sub-phases which need to be executed in order for cell division, growth, and development to proceed smoothly. Here we will focus on interphase, as the phases of mitosis have been covered in our “Mitosis” article.

Interphase consists of at least three distinct stages during which the cell grows, produces new organelles, replicates its DNA, and finally divides.

Explanation:

from online, rephrase this use as reference

a hurricane comes through and causes beach erosion. which choice best represents the systems that are affected?
A. hydrosphere, atmosphere, geosphere
B.atmosphere, cryosphere, geosphere
C.hydrosphere, lithosphere, biosphere

Answers

C hydrosphere, lithosphere, biosphere

explain how and why an earthquake occurs in thorough detail. You should also be identifying the four labels below within your explanation. A good answer would be longer than a paragraph (but < 3)

Answers

Answer:

An earthquake is what happens when two blocks of the earth suddenly slip past one another. The surface where they slip is called the fault or fault plane. The location below the earth’s surface where the earthquake starts is called the hypocenter, and the location directly above it on the surface of the earth is called the epicenter.

Sometimes an earthquake has foreshocks. These are smaller earthquakes that happen in the same place as the larger earthquake that follows. Scientists can’t tell that an earthquake is a foreshock until the larger earthquake happens. The largest, main earthquake is called the mainshock. Mainshocks always have aftershocks that follow. These are smaller earthquakes that occur afterwards in the same place as the mainshock. Depending on the size of the mainshock, aftershocks can continue for weeks, months, and even years after the mainshock!

Identify the types of genetic recombination.
occurs in metaphase I.
occurs during sexual reproduction.
is random chromosome alignment resulting in variation.
occurs in prophase I.
fuses gametes to form offspring with genes from each parent.
exchanges genetic information between non-sister chromatids.

Answers

Answer:

Explanation:

The answers to your questions about genetic recombination are:

Independent assortment happens during metaphase I.

Fertilization happens during sexual reproduction.

Independent assortment is random chromosome alignment resulting in variation.

Crossing over happens during prophase I.

Fertilization fuses gametes to form offspring with genes from each parent.

Crossing over is the exchange of genetic information between non-sister chromatids.

Answer:

Independent assortment happens during metaphase I.

Fertilization happens during sexual reproduction.

Independent assortment is random chromosome alignment resulting in variation.

Crossing over happens during prophase I.

Fertilization fuses gametes to form offspring with genes from each parent.

Crossing over is the exchange of genetic information between non-sister chromatids

Explanation:

Heather was someone who loved to be on stage, and she sought any attention she could get. She was seductive and manipulative to others in her life, even though she was insecure in her relationships. What personality disorder diagnosis does Heather's symptoms MOST likely match?

Answers

Answer:

Borderline personality disorder.

Explanation:

It is borderline personality disorder because a borderline personality disorder is a mental disorder that is characterized by insecurity, unstable moods, relationships and manipulation behaviors. The major symptoms are feelings if insecurity, emotional instability, disrupted social relationships.

Treatment if this include talk therapy like cognitive therapy,medication and admission into the hospital if the condition is severe.

which of the following statements is FALSE?
a. alleles are made when one original DNA strand experiences mutations that result in phenotypes that offer advantages
b. the DNA of two alleles must be almost identical. since the trait is the same. But the effect of the allele may be very different!
c. in humans, for every trait we can only have two alleles. but that trait can be controlled by many alleles. there are no limits on how many alleles can control a trait.
d. being diploid means that humans cannot mask the effects of recessive alleles. humans always show both alleles in their phenotypes and genotypes
e. if humans were diploid we would only have one allele per trait
Helpppp pleaseee

Answers

Answer:

d. being diploid means that humans cannot mask the effects of recessive alleles. humans always show both alleles in their phenotypes and genotypes

Explanation:

Being diploid means humans carry two sets of chromosomes. Since we have both dominant and recessive gene types, humans can mask the effect of recessive alleles since the dominant trait will be seen in the phenotype or genotype since it is a dominant gene. The effect of the recessive allele will show up only if both diploid genes are recessive.

1. How would you describe the biosphere?
2. What are some ways we, as humans, affect the biosphere?

Answers

Answer:

1. The Biosphere is a life-supporting stratum of Earth's surface, extending from a few Km into the atmosphere all the way to the deep-sea vents of the ocean. The biosphere is a global ecosystem composed of living organisms (biota) and the abiotic (nonliving) factors from which they derive energy and nutrients

2. Humans burning fossil fuels and growing animal agriculture has led to large amounts of greenhouse gases (such as carbon dioxide and methane) in the atmosphere. Higher concentrations of greenhouse gases trap more heat in the biosphere and result in global warming. Humans have caused threats to non-renewable resources, CO2 production& global warming, as well as over-competition for food between native and introduced species.

define logical operator

Answers

Answer:

logical operator is a symbol or word used to connect two or more expressions such that the value of the compound expression produced depends only on that of the original expressions and on the meaning of the operator.

Answer:

A logical operator is a symbol or word used to connect two or more expressions such that the value of the compound expression produced depends only on that of the original expressions and on the meaning of the operator. Common logical operators include AND, OR, and NOT.

Explanation:

Which set of structures can be found in many prokaryotic and eukaryotic cells? A.ribosomes,mitochondria and cell membrane B.cell wall,cell membrane,and ribosomes C.nucleus,mitochondria and cell wall D. nucleus,cell membrane,and cell wall

Answers

Answer:

A

Explanation:

prokaryotic and eukaryotic are present in plant so its answer is a

Are Cnidarians a Representative organism?

Answers

Answer:

No

Explanation:

Cnidarians refer to organisms found in the phylum Cnidaria/coelenterata. They're metazoans.. A representative organism of this phylum is hydra

9. Use the diagram to answer the question below.
cell chloroplast
wall
cell
membrane vacuole nucleus
un
DO
The cell membrane plays an essential role in the life of the cell. How does the cell membrane
help maintain the health of the cell in the figure above?

Answers

Answer:

It provides protection for the cell it also provides a fixed environment

Explanation:

What are things governments can do to prevent more deaths?

Answers

Answer:

oh yeah and the answer is license for guns.

Explanation:

can i tell u this story about when i had a dump, so like i just ate chetos so my butt was on fire and their was some fish i saw and i dicided it looked good so i ate it.

Answer:

nothing

Explanation:

The chaparral biome is best characterized by
A) large, contiguous regions of shrubland
B) small regions interspersed with other biomes
C) large noncontiguous regions interspersed with other biomes
D) the animals dwelling in it
E) the plants that grow in it
Pls help ASAP !

Answers

Small regions interspersed with other biomes. It’s choice B. I hope this helps. Have a nice day.

How is mitosis different from binary fission?​

Answers

Answer:

B

Explanation:

because the main differnt berween bianary fission and mitosis is that bianary fission is a way ofbtge asexual type of reproduction in prokaryotes in which one organism divides to for two progency orhanisms while mitosis is a process in which a eukaryotic cell divides to form two daughter cells which are identical.

What are the parts of a microscope show picture

Answers

Answer:

think it help you if it work mark as brainliest

Answer:

That's the correct answer.

Many shark species have experienced a great deal of decline in population sizes due to a variety of factors. In the Bahamas, sharks are plentiful, but still experience a decline as populations reach their carrying capacity. Which of the following factors does not affect the carrying capacity of all shark species?

Answers

Answer:

You didnt list the factors? comment the factors and ill come back to answer

energy transfer through molecule to molecule contact is called?

Answers

Answer:

It's called conduction

Explanation:

The condition of ketoacidosis is Select one: a. a potentially fatal buildup of acetoacetate or 3-hydroxybutyrate lowering blood pH. b. due to a lowered production of ketone bodies than is normal. c. the increase in pH of the cells due to ketone body production. d. only found when anaerobic catabolism of fat occurs.

Answers

Answer:

The correct answer is option A ( a potentially fatal buildup of acetoacetate or 3-hydroxybutyrate lowering blood pH.)

Explanation:

Ketoacidosis results in a type of body metabolic state where the urine concentrations are high in ketone bodies, such as acetoacetic acid , 3-hydroxybutyrate. Fatty acids are converted to ketone bodies, resulting in a very high level of ketone bodies which automatically lowers the blood pH.

Ketoacidosis is of different types, Diabetic ketoacidosis, alcoholic ketoacidosis, starvation ketoacidosis. They are all associated with the accumulation of ketone bodies within the bloodstream. The underlying disease  common with ketoacidosis is Diabetes.

What's the answer to this?

Answers

I don’t know how am I supposed to know
Sorry bushbuck
i have no clue my bad

1) A region of the country is rapidly growing in population, causing the demand for electricity to go up each year. As a result, a new source of electricity is needed. This particular region of the country has plenty of agriculture, rivers, and access to coal deposits underground. Which of the following would be the cheapest way for this region of the country to make electricity, have minimal impact on the environment, yet not add carbon dioxide to the atmosphere?






Group of answer choices


A)Use the agriculture biomass to generate a renewable fuel that can be burned to generate electricity


B)Use the coal deposits to generate electricity in a few coal fired facilities


C)Build a nuclear power plant in the middle of the region


D)Build dams along the rivers to generate electricity



2)The image provided shows a partial river food web.




The local town relies on this river ecosystem to sustain their population both economically and as a source of food. Using the food web provided, which statement provides the best reasoning for regulating the amount of fish removed from the river by humans.


Group of answer choices


A)Regulation will help the ecosystem to remain balanced and contribute to the stabilization of other populations of river organisms.


B)Regulation will increase the amount of energy transferred from the catfish to the eagle.


C)Regulation will allow contaminated sediments to decrease in the river due the removal of the contamination source.


D)Regulation will ensure that carp will not overpopulate the ecosystem and begin to consume larger organisms like the salmon.

Answers

Answer:

1- D

2- A

Explanation:

1- Water and electricity is the best option to decrease carbon footprint.

2- not sure


1. This is a glucose molecule, the sugar made in photosynthesis. Saccharides, or sugars, are
the building blocks for carbohydrates. What is another term for “building block?"

Answers

another term would be a monomer which link together to form polymers
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