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Leviafan [203]
3 years ago
8

According to the model by Case and Taper, gene flow plays a role in limiting species ranges because

Biology
1 answer:
marissa [1.9K]3 years ago
7 0

Answer:

D,

Explanation:

The Alleles moving into the marginal populations are adaptive for the conditions at the center of the species range. They therefore limit the species  range within the population  because their genes  are well expressed in the new population.And thus   increases the population sizes and variation in the (while increasing the fitness)Hence, limiting  species range and therefore promotes species expansion.

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How could the tomato plants response to being eaten by a hornworm caterpillar be described as a function of homeostasis
sesenic [268]

Answer:

First, it's important to get clear on the meaning of Homeostasis.

In simple terms, it refers to the capacity of a living thing (plant or animal) to react or behave in such a way that enables it to continue to survive irrespective of changes in its immediate environment.

       

Explanation:

In humans, the body has a system which reacts to the external stimuli of temprature. When the weather is hot, the brain through a sequence of electrical and chemical signals tells the skin to open up the pore, then we experience venting of sweating which cools the body and regulates internal heat. This is an instance of homeostasis.

This does not mean that the plant or animal is completely immune to such external changes.

In the case of the tomato plant, the hair on the leaves and stem of the plant is an example of Homeostatic responses which have evolved over the years to discourage predators such as the hornworm caterpillar from defoliating the plant.

Cheers!

3 0
3 years ago
Read 2 more answers
10 facts about mutations
Salsk061 [2.6K]

Answer:

Explanation:

4 types of mutation:

Germline mutations occur in gametes. Somatic mutations occur in other body cells.

Chromosomal alterations are mutations that change chromosome structure.

Point mutations change a single nucleotide.

Frameshift mutations are additions or deletions of nucleotides that cause a shift in the reading frame.

3 more:

Over a lifetime our DNA can undergo changes or 'mutations?' in the sequence of bases?, A, C, G and T.

This results in changes in the proteins that are made.

Mutations can occur during DNA replication if errors are made and not corrected in time.

5 0
2 years ago
Which is not a statement of the cell theory? Cells are the basic unit of life. O Cells are the basic unit of matter Cells come f
Scorpion4ik [409]

Answer:

Cells are the basic unit of matter is the correct answer.

Explanation:

The other answers are all a part of the cell theory, but that one is NOT and since the question is asking for the incorrect one, that's the answer. :)

8 0
3 years ago
What reasoning correctly pairs a body system with its relationship to the digestive system?
Elodia [21]

excretory system: removes waste from blood.

respiratory system: obtains oxygen so the energy in the nutrients can be extracted.

circulatory system: transports nutrients from small intestine to the othet tissues.

nervous system: regulates and controls digestive functioning.

( Am not completly sure, but i think this is the answer)

8 0
3 years ago
Organisms are limited to reproducing only after their own kind by:
Luden [163]

Answer:

2.) Laws of Genetics

Explanation:

George Mendel has discovered the fundamental laws of Genetics or inheritance by working on his pea plant, Mendel founds that Genes come in pairs and they are inherited as specific units each one is different from parents.

Inheritance Genetics is when something is passed down from one generation to the next generation.

Mendel law of genetics are three types:

  1. The Law of Segregation.
  2. The Law of Independent Assortment.
  3. The Law of Dominance.

4 0
3 years ago
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