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Alenkinab [10]
3 years ago
13

What is a gene? on edge

Biology
1 answer:
Nezavi [6.7K]3 years ago
3 0

Answer:

A gene is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called. Every person has two copies of each gene, one inherited from each parent.

Explanation:

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in a backyard in Georgia you may observe trees shrubs grass pets and birds lizards worms honeybees and many other living organis
Ainat [17]

Answer: ecosystem

Explanation:

An ecosystem is a community involving several groups of organisms co-existing in the same place.it involves the interaction between the community and it's non living environment.in this Georgia backyard,the bees,lizard ,works etc are the biotic or living part of the ecosystem that co-exist together

5 0
2 years ago
Which of the purely endocrine organs contain modified neurons that produce and secrete neurohormones?
irga5000 [103]

Answer:

D. Only the adrenal medullae

Explanation:

The adrenal medulla is the inner region of the adrenal gland. It consists of the modified sympathetic ganglion of the autonomic nervous system and develops from the same embryonic tissue as all other sympathetic ganglia. The cells of the adrenal medulla lack axons and are [present in the form of clusters around large blood vessels.

The chromaffin cells of adrenal medulla serve the endocrine function. These cells are innervated by sympathetic preganglionic neurons of the ANS. The adrenal medulla secretes epinephrine and norepinephrine which are called neurohormone as being secreted by neurons.

4 0
3 years ago
How do species (like us) survive
Annette [7]
We have shelter and food.
5 0
3 years ago
Read the following scenario to answer the following question. An abundant and continual supply of ATP is necessary for all livin
Kobotan [32]

Answer: Carbon dioxide and also bring in more oxygen for supporting the aerobic metabolism

Explanation:

 The aerobic metabolism is one of the type of process in which the body basically helps in creating the energy in our body by the process of combustion of the fats and carbohydrates in the oxygen presence.

According to the given scenario, when we doing exercise the breath become more faster and at that specific time it is very important to expel the carbon dioxide and then inhale more oxygen for supporting the aerobic metabolism in the our body system.

 Therefore, The given answer is correct.      

3 0
3 years ago
One group of reptiles, characterized by the fossil Archaeopteryx, led to the evolution of _____.
Mamont248 [21]

One group of reptiles, characterized by the fossil Archaeopteryx, led to the evolution of birds. The correct answer is birds

7 0
3 years ago
Read 2 more answers
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