Answer:
Females - XX
Males - XY
Answer:
Female:XX
Male:XY
Explanation:
Using the definition of “genotype” that refers to a relevant section of the DNA sequence inherited by an organism, the genotype of female humans is XX, as opposed to male humans' genotype XY.
what is an outcome variable in an experiment?
Subject; science experiment
Answer:
dependent
Explanation:
depending on what the question is asking specifically, the independent variable is the variable you change in order to get the outcome of the dependent.
Greek philosophers such as Democritus and Aristotle had ideas about the composition of matter. For example, Democritus believed matter was made of tiny, solid spheres that he called atomos, and Aristotle thought matter was made of earth, water, fire, and air. Aristotle's idea of matter was the accepted idea for over 2,000 years until John Dalton came up with a new theory about matter based on his experimental data. Which of the following best explains why Dalton’s theory became more widely-accepted over Aristotle's theory?
Aristotle’s theory did not have enough direct evidence due to poor observational tools.
Dalton’s theory had repeated observations which were supported by extensive evidence.
Dalton’s theory was more complete because more respected scientists found the ideas possible.
Aristotle’s theory became the law of conservation of mass when he documented phase changes of matter.
Answer:
The correct answer based on what you provided would be B, or the second answer.
Explanation:
There is evidence in the text to support the answer, and people tend to believe conclusive results over just believing in something, and Dalton's theory was based on results.
Which two substances are among the six most abundant elements in living things?
A. Calcium
B. Nitrogen
C. Helium
D. Chlorine
Answer:
the answer is B. Nitrogen
Explanation:
The six most common elements in living things are carbon, hydrogen, oxygen, Nitrogen, phosphorus, and sulfur.
What is the primary function of this body system?
The brain, together with the neurological system that connects to it, is the most important organ system in the human body, even though your heart is also a key organ.
What is the role of body system?Blood containing oxygen is delivered to your bones via your circulatory system.
Your bones are actively creating new blood cells in the interim. Together, these mechanisms preserve internal equilibrium and stability, or “homeostasis.”
The body's action and functionality are controlled by the neurological and endocrine systems.
The respiratory, circulatory, and digestive systems team up to eliminate waste from the body while simultaneously taking in essential nutrients and substances.
Therefore, connecting and supporting is primary function of body system.
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Which statement is not true of mitosis?
The statements are:
A There are four stages of mitosis
B It is the division of genetic material of a dividing eukaryotic cell into two parts
C it is a process that takes an average of eight minutes for any cell to complete the process
D each daughter cell receives a full set of chromosomes identical to the parent cell
pls help i missed the video and cant find it
Explain how industrial melanism has affected moths.
Answer:
An evolutionary instance of directional change to the color of the moths population during the revolutionary war, which increased the dark color at the time, an example of industrial melanism.
Explanation:
Answer: Color change
Explanation:
Why? Well, the evolution of, let's say, the peppered moth is a metamorphic case of steering color change in the moth population as a consequence of air pollution during the Industrial Revolution. The frequency of dark-colored moths increased at that time. Which is an example of industrial melanism.
just a sentence and nothing else
Answer:
Kyle walked his dog before bed.
PLEASE HELP !!!
The following are the results of a cross between two pea plants where the dominant allele is round seeds and the recessive allele is wrinkled seeds: RR, RR, Rr, rr
What is the probability that the offspring of this cross has two dominant alleles?
0%
25%
50%
75%
100%
Explanation: it's 0% I hope this this helped!
Explain the connection between genes and your traits. Be sure to use the word protein.
Answer:
A gene codes for a particular protein that is involved in the expression of a trait. Characteristics determined by single genes are called Mendelian traits.
Explanation:
Answer:
so genes are things that get pasted down from your parents while, traits are special things you have about you
Explanation:
An astronomer wants to analyze the composition of a distant star. What is the best tool the astronomer can use?
Answer:
Spectograph
Explanation:
The most common method astronomers use to determine the composition of stars, planets and other objects is spectroscopy.
How many total atoms are in the following compound?
2K2CO3
Answer:
There is 3 because K2 is its own atom and it has 2 K2 and Co3 is its own and there's one
Explanation:
This is what I was taught
How many total molecules are found in the following compound?
4K2CO3
Answer:
Composition of 4K2CO3
Element Symbol Atomic Mass # of Atoms Mass Percent
Potassium K 312.7864 g/mol 8 56.5799%
Carbon C 48.0428 g/mol 4 8.6905%
Oxygen O 191.9928 g/mol 12 34.7296%
Explanation:
hope this helps :)
What do osmosis and diffusion have in common?
A.) Both permit molecules of any kind, whether solute or solvent, to cross the bilayer membrane.
B.) Both require the additional energy provided by an energy carrying molecule, like ATP, to allow molecules to pass through the membrane.
C.) Both processes occur through a semipermeable membrane called a concentration gradient.
D.) Both are the net movement of randomly moving molecules that makes concentration nearly equal on both sides of a bilayer membrane.
Answer:
C.) Both processes occur through a semipermeable membrane called a concentration gradient
Explanation:
A. They only let certain things in and out of the membrane
B. They are passive transportors, meaning they do not use ATP or energy
D. They do not randomly move molecules. The concentrations are not equal. It should be from a high concentration to a low concentration.
Ezra eats a cheese sandwich for lunch. Cheese contains a lot of protein, and bread is mostly starch. Ezra plans to play basketball later in the afternoon. He is breathing normally.
What does Ezra need from the food he ate and the air he breathes so that he can play basketball? How do Ezra’s body systems work together to get the molecules he needs into his cells? How do his cells use these molecules to release energy for his body to run?
Answer:
Ezra need glucose and protein from the food he ate and oxygen from the air he breathes so that he can happily play the basketball
Answer:
I agree that Ezra need glucose and protein from the food he ate and oxygen from the air he breathes so that he can happily play the basketball
8. What is the difference between a unicellular organism and a multicellular organism?
Explanation:
unicellular organism are single celled organisms and usually cab not be seen by our naked eyes. Example:yeast, microscopic algae, bacteria and more
multicellular organisms are organisms that have two or more cells. Example plants, animals
I need to summarize all of this...PLeAsE hElP mEeE!!!!!
Explanation:
Your hair, skin color, and eye color are In hareted by your parents. If you and your mom both have brown hair and your dad has Blonde that means you have Your moms gene for hair color. That also means your moms gene is a Domanent gene and your dads is prob. a Resesive gene. A Domanent gene over powers the Resesive.
Hope this helps :)
It is generally acknowledged that as human beings age, it becomes more difficult for them to lose weight, or even maintain their current weight. People find they have to eat less and/or exercise more to maintain a healthy weight.
Which is the most likely explanation of why weight loss/maintenance becomes more difficult as people age?
a). As humans age, they becomes less active and use their muscles less; therefore, less chemical energy is converted to thermal energy.
b). As humans age, the process of extracting energy from the food becomes less efficient, so more food is needed to provide the same amount of energy.
c). As humans age, they become injured more often and need to increase the amount of food they eat to make repairs to body tissue.
d). As humans age, the body does not convert chemical to thermal energy, so they do no burn off any calories when exercising.
Please hurry!
Answer:D
Explanation:
Answer: is d
Explanation:
Which pair of objects would be most strongly attracted to each other?
A. A negativity charged particle and a neutral particle
B. Two positively charged particles
C. A positively charged particle and a negatively charged particle
D. Two negatively charged particles
Living organisms are made up of cells. Cells are organized at different levels to form very complex living organisms like your body. Each level has a specific role or job to perform.
Which of the following lists these levels in the correct order of organization from the simplest to the most complex?
Cells, tissues, organs, organ systems, organisms
⊝
Organisms, organ systems, organs, tissues, cells
⊝
Tissues, cells, organs, organisms, organ systems
⊝
Organs, organ systems, organisms, cells, tissues
Dead ocean animals fall to the bottom of the ocean. A scientist notices rock layers that have formed on the ocean bottom with fossils of some of these animals. What type of rock is this?
PLS HELP
Answer:
I want to say its metamorphic
Explanation:
ok here is a challenge i'll give you a brainiest if i agree!!
Let say we forget everything people has ever said to you such as ugly, pretty, short, tall, dumb or whatever that is "describing" you. (includes: family, friends, strangers)
now tell me who you "really" are after you forget everything anyone has ever said to you.
I would have no idea who I am, heh.
Answer:
i amgonna not know who i am
Explanation:
T-T im weird
Which best describes the plate tectonic theory?
A) The Earth is a big puzzle
B) Broken plates of the Earth float on the liquid mantle
What sound does a cat make
Answer:
meowwwwwwwwwwwwwwww
Answer: Meow! LOL :D
Explanation: Have a Great Day! :)
1. Fill in the Punnett Square, showing the kinds of offspring (male or female) that are possible.
2. What is the genotype ratio for male and female offspring? __________
3. Is it more likely, less likely, or equally likely to produce boys instead of girls? ________
Answer:
Explanation:
y
The ____ is the source of all energy in our atmosphere. a. Sun c. Moon b. water cycle d. Coriolis effect
Answer:
Sun
Explanation:
Answer:
the sun
Explanation:
no comment
Which group of plants lacks true roots, stems, and leaves?
A seedless vascular plants
B nonvascular plants
C nonflowering seed plants
D flowering plants
This quetion is from edgenutiy
The nonvascular plants are the group of plants that lacks true roots, stems, and leaves. The correct option is B.
What are non-vascular plants?Plants lacking a circulatory system made up of xylem and phloem are referred to as non-vascular plants.
They may instead have more basic tissues with tailored capabilities for the internal transfer of water.
Mosses, hornworts, and liverworts are examples of nonvascular plants. They don't have leaves, stems, or roots.
Nonvascular plants require a damp environment, are low-growing, and reproduce using spores.
The primary distinction between vascular and nonvascular plants is that the former have a vascular system for the transportation of food and water, whilst the latter lack circulatory tissues.
The majority of liverworts are quite rare in the park and need to be close to water to survive. Mosses and liverworts are tiny, non-vascular, primitive plants.
Thus, the correct option is B.
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What type of element(s) would be expected to form first from a subatomic particle explosion? choices are heavy elements, iron, oxygen, and light elements!! thanks
telescope that gathers information in almost any weather during any time of the day?
Two students want to go on a night hike when there is a full moon In July. July Sun. Mon. Tues. Wed. Thurs. Sat. 4 S 7 9 10 11 12 13 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 If there is a third-quarter moon on July 2, what is the approximate date of the next full moon? (8.7B) O July 9 July 16 0 July 23 0 July 30 1 2
The approximate date of the next full moon is to be considered as the July 23.
Calculation of the approximate date of the next full moon:Since two students want to go on a night hike so there should be full moon in July.
So if there is any third quarter moon on July 2
So here the date should be July 23 since it takes 21 days for the third quarter moon to get to a full moon.
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