BIOLOGY HIGH SCHOOL

Why do you think species remain in a stage of stasis?a. A stable ecological niche leads to absence of selection pressure, which in turn causes species to remain unmodified or in stasis.
b. An unstable ecological niche leads to various selection pressures, which in turn causes the species to remain in a stage of stasis.
c. A stable ecological niche leads to various selection pressures, which in turn causes species to remain unmodified or in stasis.

Answers

Answer 1
Answer: The answer is A. A stable ecological niche leads to the absence of selection pressures, which in turn causes species to remain unmodified or in stasis. This can be simplified with an example: If there are just enough lions on an island and just enough buck for both species to survive without the lions starving or the buck being killed off, neither of the species would have to adapt to survive because their predator-prey relationship is stable. This means that they can continue to live in this state of stasis or equilibrium.
Answer 2
Answer:

Answer:

A.  

A stable ecological niche leads to absence of selection pressure, which in turn causes species to remain unmodified or in stasis.

Explanation:

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Cyclostomata, like lamprey eels and hagfish, _____.a. feed on other fish or invertebrates
b. have cartilage skeletons
c. reproduce by internal fertilization

Answers

Cyclostomata, like lamprey eels and hagfish, have cartilage skeletons. The correct option among all the options that are given in the question is option "b". Lamprey eels and hagfish do not have any bones in their body. Hagfish are either predators or scavengers. On the other hand, Lampreys that feed on detitrus as well as scavenge.

Answer: b. have cartilage skeletons

Cyclostomata is a group of Agnatha class. It comprises of jawless fish species like lampreys and hagfishes. They have jawless mouth, epidermal structure that function as teeth. The name Cyclostomata suggests round mouth. The fertilization and development in these fishes is external to the body and the offspring do not get the parental care. These animals are cold blooded and exhibit a cartilaginous skeleton. They have two chamber heart. They feed on other fishes and mammals.  

This statement describes the Maya's opinion of animals, based on the Popol Vuh. A. Animals were created by the god Pascal the Great to benefit humans.

B. Humans should avoid animals because animals spread disease.

C. All animals are considered sacred beings that deserve to be worshipped.

D. Animals cannot worship the gods and are destined to be food for humans.

Answers

Based on the Popol Vuh, Maya’s opinion about animals is that animals cannot worship god and are destined to be food for humans. So option D is correct.

What is the role of animals in Popol Vuh?

In the story, animals predate humans. This is similar to many origin myths where humans arrived later in the world’s history. In the Popol Vuh, there’s often an interaction between humans and animals in a way that fits into the stories. It’s very similar to how animals fit into the Jewish-Christian tradition. Like the Bible stories, animals exist alongside humans and interact with them.

Popol Vuh is the sacred book of Maya K’iches. At first, the story was passed on orally after which it was written in the Mayan language by a native. It however remained lost and was rediscovered only until 1854.

To learn more about Popol Vuh refer to the link:

brainly.com/question/16340067

#SPJ2

Answer:

D is correct

Explanation:

a chart that shows all the possible combinations of alleles that can result from a genetic cross is called a(n) __________

Answers

Hey Leeann479!

The chart that shows all the possible combinations of alleles that can result from a genetic cross is called a Punnett Square! I've attached an example of one to this answer. 

Hope this helps!

(image credit: Wikipedia)

About how many days does a human egg survive after leaving the ovaries? Select one of the options below as your answer:
a. one day
b. three days
c. five days
d. seven days

Answers

the amount of days in which a human egg could survive after leaving the ovaries is : A. one dayIn most cases, a human egg could only survive for about 12 -24 hours after leaving the ovaries. The only thing that can defy this is if we're using modern biotechnology. We can Freeze and store a human egg for a very long time using this method

Pretty sure it would be 1 day

You can usually tell the difference between a caldera and crater by studying _____.

Answers

A crater is the top of a volcano's central vent and is funnel shaped. A caldera is a magma chamber that supplies materials to the volcano and eventually collapses when there's nothing more to supply.

Read through the list of organisms below. Of the organisms below, which ones are autotrophs? . aquatic photosynthetic bacteria a blue whale cheetah green-winged macaw honeybee humans maple tree phytoplankton rye grass tulips​

Answers

Answer:

aquatic photosynthetic bacteria, maple tree, phytoplankton rye grass tulips

Explanation:

All are plants or does phtosynthesis which is what autotrophs are.
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