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user100 [1]
3 years ago
5

Bill Nye Evolution Video Questions

Biology
1 answer:
andriy [413]3 years ago
8 0

Answer:

1.evolution

2.DNA

3.the same

4.life

5.chromosomes

6.eat

7.generations

8.life through fossils

9.paleotology

10.enviroment

11.changed

12.reptile

13.ice age

14.nature

15.Darwin

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How do the functions of the skeletal and muscular system differ? A. Muscles provide structure and support to the body, while bon
I am Lyosha [343]
<h2>Answer:</h2>

The correct answer is option D which is bones provide structure and support to the body, while muscles move the bones.

<h3>Explanation:</h3>
  • The muscles are composed of muscle cells, 3 layers of connective tissues are also associated with muscles.
  • Muscles are soft tissues of body which have ability to contract and relax.
  • Bones are hard tissues composed of collagen fibers and inorganic minerals. Muscles are attached with bones. Due to hard structure, bones provides support and structure to body. While muscles are attached with bones, and their contraction and relaxation is the cause of movement

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2 years ago
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The cells of most prokaryotic cells have a what?
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Answer:

hello Prokaryotes are unicellular organisms that lack organelles or other internal membrane-bound structures. Therefore, they do not have a nucleus, but, instead, generally have a single chromosome: a piece of circular, double-stranded DNA located in an area of the cell called the nucleoid.

6 0
3 years ago
A rise in the concentration of solutes in the blood or a fall in the blood volume will cause the release of __________.
asambeis [7]
Antidiuretic hormone (ADC)
7 0
2 years ago
Predict: Some pathogens are spread directly from one person to another. This can happen when people come into direct contact or
grandymaker [24]

I think the reservoir ( a human,animal or non living such as soil where the infectious agent normally lives)

secondly the mode of transmission,there are some modes of transmission that allow the pathogen to enter quickly and some that make the process slow.

and also crowding and the presence of co-infections.

i hope this helps

7 0
2 years ago
A small group of diploid triangular Sticky Notes were fluttering along the coast of The Mainland. A storm blew in and blew the S
muminat

Answer:

Because genetic drift (Founder effect) is acting on this population. Not all the Hardy weinberg criteria are accomplished. There are no random matings and populations are finite-sized.

Explanation:

This is a special case of genetic drift: the founder effect.

The “Founder effect” phenomenon refers to cases where a new population originates from a few founder individuals, coming from a bigger ancestral population, that established in a new environment. This small population might or might not be genetically representative of the original one. This subgroup carries with them some genetic information that they share with their original population. Over time, some genes can be lost, or they can increase in frequency. Some rare alleles might be exceeded or might be completely lost. On Consequence, when the small population grows, it will have a genetically different composition from the original one. In these situations, genetic variability is reduced and enhances the possibility of developing a peculiar allelic composition. In some cases, the founder effect is part of the process of speciation.  

The criteria for maintaining a Hardy-Weinberg equilibrium are:  

  • Random matings
  • No superposed generations
  • No mutations
  • No migration  
  • Infinite population size
  • No natural selection

Genetic drift involved the un-accomplishment of random matings and infinite population sizes.

Genetic drift involves:

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5 0
3 years ago
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