Ecosystems rely on interactions between both biotic and abiotic
factors. Which of the following is considered an abiotic
factor?
-consumers
-plants
-water
-bacteria
Answer:
water is an abiotic factor
_______________________ is an animal's ability to blend into its surroundings.
a
artificial selection
b
evolution
c
natural selection
d
camouflage
[tex] \huge \color{magenta}{ \boxed{ \large \sf \color{blue}{d. \: Camouflage}}}[/tex]
Camouflage is the use of any combination of materials, coloration, or illumination for concealment, either by making animals or objects hard to see, or by disguising them as something else. Examples include the leopard's spotted coat, the battledress of a modern soldier, and the leaf-mimic katydid's wings.Which gas is used by humans in the process of cellular respiration?
Answer: Oxygen
Explanation:
During the process of cellular respiration, carbon dioxide is given off as a waste product. This carbon dioxide can be used by photosynthesizing cells to form new carbohydrates. Also in the process of cellular respiration, oxygen gas is required to serve as an acceptor of electrons.
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#[tex]AnimePower[/tex]
Answer:
oxygen
Explanation:
we breathe it in during cellular respiration
experiment yeast fermentation ，what is the purpose of boiling the glucose solution earlier？
Answer:
The correct answer is - to sterilize it and remove any oxygen.
Explanation:
Boil the glucose solution to sterilize it and remove any oxygen, leaving behind the glucose needed for anaerobic respiration. High temperature kills all the microbes and sterilizes the solution.
Boiling the glucose solution earlier also helps in removing the oxygen from the solution for preparing the anaerobic respiration in the experiment desired. Sterilization of the solution also helps it in avoiding any microbes to present in the solution and affect the experiment.
Home land of Shorea robusta is
a) alpine zone
b) temperate zone
c) tropical zone d) sub alpine zone
Answer:
c) tropical zone
Explanation:
A scientist is examining cells under a microscope. Which would best help the scientist identify the tissue as plant or animal?
A. The presence or absence of a cell wall
B. the presence or absence of DNA
C. Plant cells would be green
D. Animal cells would contain a nucleus
SORRY FOR THE LITTLE POINT PLEASE ANSWER ITS DUE IN 2 MINUTES
Answer:
I think the answer is A
Explanation:
The presence or absence of a cell wall is examining cells under a microscope.
What is Cell wall?Cell walls are a specific type of extracellular matrix that cover every plant cell. Many of the traits that set plant cells apart from animal cells are caused by the cell wall.
The cell wall serves a variety of activities that are essential to plant life, despite being frequently thought of as an inert product used only for mechanical and structural purposes.
These include: giving the living cell mechanical defense and a chemically insulated environment; offering a porous medium for the circulation and distribution of water, minerals, and other small nutrient molecules.
Therefore, The presence or absence of a cell wall is examining cells under a microscope.
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Underground water is an example of
A) a hidden water source
B) a untapped water
source
C) an unusable water source
D) a high salinity water source
Answer:
i think its a hidden water source
In order for water to collect in earths atmosphere and form clouds it must first undergo what process?
A) condensation
B) convection
C) evaporation
D precipitation
Answer:
The answer is D: Precipitation
Which animal is a tertiary consumer in this food chain?
Answer: EL ANIMAL QUE ES CONSUMIDOR TERCERIANO ES LA SERPIENTE
xplanation:PORQUE ES CARNIVORO
1. Which of the following best explains how
behaviors, such as swarming and flocking, help
protect organisms?
a. Individuals in swarms or flocks act as decoys
to distract predators.
b. The movement and size of the swarm
or flock confuses predators.
c. Working together in swarms or flocks
requires less energy
d.The size of most swarms and flocks
can overtake larger predators.
What is the chemical equation for photosynthesis
Answer:
6CO2 + 6H2O --> C6H12O6 + 6O2
Explanation:
Have a good day :)
Answer:
6CO2 + 6H2O → C6H12O6 + 6O2
Explanation:
hope that helps girly good luck!
What changes when a cell divides into two daugther cells to make it easier for the cells to exchange materials across the surface of the cell? A. Cell division does not make it easier to transfer materials across the cell surface. B. The new cells move materials faster. C. Each new cell has an increased surface area to volume ratio
The new cell has an increased surface area to volume ratio is a process that makes easier the exchange of materials across the surface of the cell (Option C).
What is cell division?Cell division is the process by which cells generate new daughter cells, which may be due to mitosis or meiosis in higher organisms.
Cell division is able to increase the surface/volume ratio and therefore it facilitates the movement of materials in the resulting cells.
In conclusion, news cell has an increased surface area to volume ratioand it makes easier the exchange of materials (Option C).
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Explain how advancements in engineering and technology over the years have allowed scientist to learn about mars and earths moon.
Telescopes on Earth and in orbit around Earth provide scientists with information about our solar system. That information is used to plan where spacecraft fly and where they “point their cameras.” NASA and other agencies send robotic spacecraft to fly by, orbit, or land on other planets and moons.
Absorbe nutrientes por medio de micro vellosidades que recubren y aumentan la superficie de absorción
Sobre la pregunta:
Cucigrama. Pregunta 1 vertical. Absorbe nutrientes por medio de micro vellosidades que recubren y aumentan la superficie de absorción
Answer:
Intestino delgado
Explanation:
El intestino delgado es el organi mas largo del tubo digestivo, pudiendo medir 7 metros de longitud y 3 cm de diametro. Se caracteriza por estar sumamente plegado sobre si mismo. La primera porcion, llamada duodeno, recibe secresiones de glándulas biliar y pancreática, y las mezcla con enzimas digestivas. Esta mezcla se encarga de degradar la comida y transformarla en sustancias solubles, como amino ácidos.
Es en el intestino delgado donde ocurre la absorción de nutrientes. Las paredes intestinales estas cubiertas por microvellosidades que aumentan la superficie de absorción.
Las microvellosidades son células que componene el epitelio columnar, y que extienden proyecciones hacia el lumen del organo.
7. Mutations in DNA occur when there is a change in the base-pair sequence of a gene. Which of these is
not an accurate statement about mutations?
A. Most mutations occur when a cell copies its DNA for cell division.
B. Mutations can involve adding, removing, or substituting genes.
C. Mutations always cause a change in the phenotype of the organism.
D. Mutations can be beneficial.
Answer: C
Explanation: None
What is the advantage and disadvantage of drug abuse
_____________________________ is famous for his work on natural selection.
a
Charles Darwin
b
Henry Cavendish
c
Babe Ruth
d
Isaac Newton
Answer:
a
Charles Darwin
Explanation:
There is no way to get rid of invasive species, so there is no reason to even attempt.
A.) True
B.) False
Answer:
False
Explanation:
Scientists have tried to remove them or kill them.
When the ocean absorbs CO2 it leads to what?
Explanation:
Each liquid falls somewhere along a scale with acid at one end and alkaline at the other. Normally, ocean water is less acidic than fresh water. Unfortunately, as the ocean absorbs more and more carbon dioxide from the atmosphere, it becomes more acidic. Lemon juice is an example of an acidic liquid.
Answer:
If the ocean absorbs a lot of CO2 it is most likely to become acidic
Which organisms break down decaying organisms and produce an inorganic nutrient pool in ecosystems?
Group of answer choices
secondary consumer
decomposers
primary consumer
producers
Answer:
Decomposers
Explanation:
Decomposers eat decaying or dead organisms to produce the nutrients.
I Need heelp really bad plz someone
Answer:
the answer is sunlight
Explanation:
got it correct on the test
Please help me with this!!
1. Which process plays a part in genetic recombination? A. Asexual reproduction. B. Cytokines. C. Independent assortment. D. Mitotic division.
2. Which correctly lists the following terms in order from smallest to largest? DNA, chromatin, chromosomes, nucleosomes.
A. Chromatin, DNA, Chromatin, nucleosomes
B. Chromosomes,DNA, Chromatin, nucleosomes
C.DNA, nucleosomes, chromatin, chromosomes
D. Nucleosomes, DNA, chromatin, chromosomes
3. In a triploid organism, how many alleles are present for each gene per cell?
A. 1
B. 3
C. 6
D. 9
I) Independent assortment.
II) Nucleosomes, DNA, chromatin, chromosomes.
III) 3.
EXPLANATION:➻ Recombination scrambles pieces of maternal and paternal genes, which ensures that genes assort independently from one another.
➻ We know that Chromatin is a complex of DNA and proteins that forms chromosomes. Chromatin looks like beads on a string. The beads are called nucleosomes. Each nucleosome is composed of DNA.
➻ Triploids with three different alleles can easily be detected because they have a unique phenotype.
The process involved in genetic recombination is INDEPENDENT ASSORTMENT. The correct order from smallest to largest is DNA, nucleosomes, chromatin, chromosomes. In a triploid organism, there are 3 ALLELES for each gene.
In independent assortment, different gene variants or 'alleles' are independently and randomly assorted into daughter cells, which allows genetic recombination.
In eukaryotic organisms, DNA is associated with histone proteins in order to form nucleosomes, which arrange in higher organization structures called chromatin fibers.
Subsequently, chromatin fibers condense to form structures called chromosomes.
A triploid organism (3n) contains three sets of homo-logous chromosomes, each one containing one allele for a given locus.
In conclusion, the process involved in genetic recombination is INDEPENDENT ASSORTMENT. The correct order from smallest to largest is DNA, nucleosomes, chromatin, chromosomes. In a triploid organism, there are 3 ALLELES for each gene per cell.
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Answer:
1. Hormones
2. Reproductive system
Explanation:
the endocrine system is responsible for producing hormones, and the hormones produced by the pituitary gland regulate reproductive systems.
The female reproductive and endocrine systems work interactively for which main purpose?
A. To control hormone levels to prepare the body for pregnancy
B. To maintain homeostasis by removing waste products from the body
C. To release neurotransmitters during times of stress
D. To exchange gases to support cellular aerobic respiration
Which of the following creates an
allluvial fan
A The buildupci sediment at the mouth of a
3. The seriment deposits by the side of flooding
C. The sticons that leave deepvalleys and
D. There is by ters,
what is the name of the fluid found in the gall bladder
Answer:
"Bile" is what that fluid is called
Which of the following is NOT a type of wetland?
a: marsh
b: bog
c: swamp
d: pelagic
Explanation:
i have no clue, but good luck, hopefully you pass the test
Fill in the Blank
Complete the following sentence.
Before a plant grown in a greenhouse can be planted in a field or garden, it should first be ______ of.
FiLl In ThE bLaNk
Answer:
hardening
Explanation:
A student is given a list of traits and is asked to organize them in a Venn diagram as shown below.
Which traits should the student put in section II (Both)?
1 a scar and blood type
2 tiger's stripes and wolf's social status
3 musical talent and wolf's social status
4 musical talent and skin color
Answer: The correct answer is option B) a scar and wolf's social status.
The acquired traits can be defined as the traits, which are only influenced by the environment of the organism. The acquired trait cannot be passed down to the offspring, as they are not genetically determined. A scar and the social status of any organism is dependent on the behavior of the organism to the environment, no genes code for both of these characters. So, scars and Wolf's social status is an acquired trait.
Explanation:
The cell cycle is the life of the cell from the time it is first formed from a dividing parent cell until its own division into two cells
Explanation:
cell cycle is made up of three main parts: interphase, mitosis, and cytokinesis. Most biologists agree that interphase makes up the period of time that a cell would be preparing for cell division. Cells spend the majority of their lives in this stage. During interphase a cell is going to be growing, replicating its genetic material and essentials to carry out cell division, and proofreading the genetic material to ensure replication has occurred correctly. This doesn’t sound like much, but it’s actually the longest part of the cell cycle. Once this is complete, the cell will then go through cell division and, theoretically, split into two new cells (cytokinesis).
How cytokinesis works will depend upon the type of cell that is dividing. Here is an image that summarizes the differences in cytokinesis in plant cells and animal cells, which is the classic example used in many introductory biology courses: