BIOLOGY HIGH SCHOOL

Protists are the primary producers in an ocean. This would be an example of what factor?A. food production
B. abiotic
C. biotic
D. temperature

Answers

Answer 1
Answer: The answer to your question is (c) biotic. Hope this helped ☻

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In the female body, each egg is surrounded by a _____________ which breaks open when the egg is mature.a. ovary
c. placenta
b. follicle
d. uterus

Answers

The correct answer is the ovarian follicle. In the female body, each egg is surrounded by an ovarian follicle which breaks open when the egg is mature. The ovarian follicle is the one responsible in secreting hormone during the menstrual cycle. 

What is the advantage of binary fission for prokaryotes?

Answers

Answer:

Binary fission is a method of asexual reproduction in prokaryotes such as bacteria. The advantages of binary fission is that this process requires only one individual. Secondly, it is a fast process of division as some in some of the bacteria divides in every 20 minutes. Binary fission produces offspring without genetic variation.  

Binary fission is for reproduction of a cell by division into two equals parts 

The second paragraph in the passage serves primarily to (A) outline the signifi cance of the 1981 discovery of conodont remains to the debate concerning the development of the vertebrate skeleton (B) contrast the traditional view of the development of the vertebrate skeleton with a view derived from the 1981 discovery of conodont remains (C) contrast the characteristics of the ostracoderms with the characteristics of earlier soft-bodied vertebrates (D) explain the importance of the development of teeth among the earliest vertebrate predators (E) present the two sides of the debate concerning the development of the vertebrate skeleton

Answers

Answer:

(E) present the two sides of the debate concerning the development of the vertebrate skeleton

Explanation:

In the paragraph, the author talks about two sides of view in the subject of vertebrates evolution. On one hand, he/she says that the first idea of vertebrates development is that the skeleton evolved as a defensive character and that many researchers rely on soft-bodied vertebrates to conclude it. On the other hand, he/she says that other researchers postulate that some vertebrate features (as paired eyes and adaptation in some muscles) could not have evolved if the first vertebrates were not depredators.

Toby is camping in a broad, U-shaped valley. The area was most likely created by _____.

Answers

The answer is glacial erosion.

U-shaped valleys, as named, have a characteristic U shape. Their evolution usually start as a river valley. Thus, they have V shape before erosion occurs. When glacier start its travel down a slope, it erodes and deepens that V-shaped valley. Over the time, valley get the U shape and becomes U-shaped valley, also called glacial troughs.

Under anaerobic conditions, the end-product of glycolysis is converted to

Answers

lactic acid in lactic acid fermentation
ethanol in alcoholic fermentation

When his husband turns out the light at night, Rodney cannot see anything at all in his bedroom. After a while his eyes adjust and he can see some shapes in the darkness of the room, but he cannot see any colors. Which sensory receptors are responsible for processing his ability to see objects in the darkness?

Answers

Answer:

rod photoreceptors

Explanation:

The retina of the eye has 2 types of sensory receptors or photoreceptors. They are the rod cells and the cone cells. The rod cells mostly found at the outer edge of the retina of the eye, which are numerous and more sensitive compared to the cone cells. The cone photoreceptors are found in the macula.

The rod photoreceptors are responsible for night vision mainly and function in dim light or less intense light, while the cone receptors are responsible for color sensitivity.  

The rod photoreceptors are responsible for processing his ability to see objects in the darkness.
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