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Anit [1.1K]
3 years ago
9

Genetic variation ________. Genetic variation ________. is created by the direct action of natural selection tends to be reduced

by when diploid organisms produce gametes arises in response to changes in the environment must be present in a population before natural selection can act upon the population
Biology
1 answer:
taurus [48]3 years ago
6 0

Answer: Natural selection can act on traits determined by alternative alleles of a single gene ... hope this helps, this is one of many answers for this question!

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Cardiac muscle cells are striated like skeletal muscles but their contractions are
professor190 [17]

Answer:

True

Explanation:

Cardiac muscle cells appear striated. However, they are involuntary, unlike skeletal muscle cells, because they contract outside of human control. For example, you do not have to think about contracting your heart muscles as the already contract for you. On the other hand, skeletal muscle cells are controlled by humans as they decide which body movement to perform, such as walking or pointing.

7 0
3 years ago
How should tame animals be moved ?
Rama09 [41]

Answer:

It depends on the animal(s)

Explanation:

If its a larger animal such as a lion it would have to be put into a large cage and put into a truck, if its a smaller animal such as a dog you can hold it or also put it in a smaller cage...

3 0
3 years ago
Describe the route of a reflex impulse in the somatic system
Sholpan [36]
Take for example - you touching something sharp and instantly moving your hand away.

Sensory neurons in your fingers detect the external stimuli of the sharp object and send a nerve impulse to the spinal cord (does not reach brain) and is sent back to a motor neurone - attached to an effector that moves the muscle and moves the hand away. This is a rapid reflex action and involuntary.
8 0
3 years ago
A scientist has chosen to study the motion of clouds in the atmosphere during thunderstorm. Which type of model is most appropri
LenaWriter [7]

Answer:

<em>The correct option is A) computer simulation</em>

Explanation:

Models can be described as as a representation of ideas, events or processes. Models might be mathematical, graphical, visual or computer simulations depending on the type of event being represented.

For studying the motion of clods, a computer simulation will be best because it will make it easier to understand the events related to moving clouds during thunderstorms.

An equation, map or graph cannot be used because neither of them can depict the information for motion of clouds in the atmosphere during a thunderstorm.

8 0
3 years ago
DNA. We have heard that we are a product of our DNA. But where is it? How do we "get" our DNA? It is passed to us, from our pare
mamaluj [8]

Answer:

All of the cells in the body expect red blood cells has a copy of our dna. At conception the person receives dna from both their father and their mother. We each have 23 pairs of chromosomes. Each pair one was from the father nd one from the mother. The chromosomes are passed from parents to offspring via sperm and eggs. The specific kind of chromosome that contains a gene determines how that gene is inherited. When a sperm fertilizes an egg the embryo now contains two copies of each autosome one form father and one from the mother

5 0
3 years ago
Read 2 more answers
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