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olasank [31]
3 years ago
7

Where does all of the energy in an ecosystem ultimately come from? Please help

Biology
2 answers:
enot [183]3 years ago
6 0
Generally the sun, except in some case of extreme phones where some comes from chemosynthesis or geosynthesis, where the new comes from chemicals or the earth's underground heat
Anettt [7]3 years ago
4 0
Nearly all of the energy that drives an ecosystem comes from the sun in the form of solar energy. Solar energy enters the ecosystem through a process of photosynthesis that is the starting point for all forms of plant and animal life on the planet. The sun and solar energy are the beginning source of energy for almost all functioning ecosystems and organisms on the planet. 
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Glaucoma is a leading cause of blindness. Studies have linked a common form of glaucoma to three genes and more than 20 genetic
NeX [460]

Answer: The correct answer is -

d) a dominant trait that depends on the presence of only one of many dominant alleles.

Glaucoma is an autosomal dominant trait, meaning that presence of single copy of the defective gene is enough to cause the disease.

It corresponds to a group of diseases, which cause damage in the optic nerve, leading to loss of vision and if not treated, it ultimately leads to blindness.

Thus, option D) is the right answer.

8 0
3 years ago
Read 2 more answers
Which of the following is not a function of the integumentary system?
prisoha [69]

Answer:

D

Explanation:

if not c a l

7 0
2 years ago
Assume that a mutation occurs in the gene responsible for the production of hexosaminidase a, such that only about 50% of the en
zysi [14]

This statement is true.

In the case of autosomal dominant disease, the person is either homozygous (which is very rare) or heterozygous. On the molecular level, either the mutation produced a new deleterious protein for the organism, or the mutation affected an existing protein in the physiological state and that a 50% activity is not enough to compensate for the needs. of the body.

In case of autosomal recessive disease, the sick person is always homozygous. If the two loci each have a different mutant allele, it is called a "composite heterozygote". People with autosomal recessive inheritance disorder have "mandatory heterozygote" parents.

5 0
2 years ago
Which of the following is characteristic of the second stage within a demographic transition? A. The birth rate falls to meet th
NeTakaya
The answer is C) The death rate begins to fall, but the birth rates remain high for a time. No countries in the world are currently in Stage 1 or demographic transition. However, many are in stage 2, which is why many governments are concerned about overpopulation. 
6 0
3 years ago
Read 2 more answers
after being bit by a poisonous snake, jacob was treated with an injection of an antiserum produced by immunizing a horse or shee
brilliants [131]

T cells and B cells are the two main cell types that are crucial to the efforts of the adaptive immune response, in addition to cytokines and APCs.

<h3>Passive immunity is conferred by which of the following?</h3>

By supplying antibodies or lymphocytes that have already been produced by an animal or human donor, a vaccination may also impart passive protection. Most vaccines are administered parenterally (by injection), although some can also be taken orally or even nasally (in the case of flu vaccine).

Monoclonal antibodies search for and bind to the spike protein that protrudes from the coronavirus that causes COVID-19 after they have entered your body. Monoclonal antibodies that bind to the spike protein can prevent the virus from entering cells, slowing the infection.

The endothelial cell glycocalyx, which serves as a molecular sieve, and pressure gradients in the capillary beds both affect how lymph fluid is formed. toward with fluid propulsion

To learn more about Passive immunity refer to:

brainly.com/question/15255230

#SPJ4

6 0
1 year ago
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