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storchak [24]
2 years ago
13

How does Caenorhabditis elegans extract the energy it needs for growth and maintenance?

Biology
1 answer:
nika2105 [10]2 years ago
7 0
The worm feeds via a "pumping" action in which it first uptakes the fluid surrounding it. Then, it expels the fluid while trapping any bacteria within it. The bacteria are then digested for energy and nutrients.
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Carbon is rare in that it does NOT bond with any other elements.
sveta [45]

Answer:

False

Explanation:

-Carbon has 4 electrons in its outer shell

-It can achieve a full outer shell by forming Covalent Bonds

7 0
2 years ago
Because the majority of cell differentiation occurs during the ____ phase, this is the time when exposure to teratogens can do t
Greeley [361]
Because the majority of cell differentiation occurs during the EMBRYONIC phase, .................. The embryonic stage of pregnancy is the period after implantation during which all the important organs and structures in the growing fetus is formed. Tetratogens are factors that caused malformation of embryo. Exposure to tetratogens during embryonic stage cause most destructive damages.
3 0
3 years ago
What type of organisms was most likely feeding on this sample ?
jek_recluse [69]
I think Number C is right because Since the organism eukaryotic we can safely assume that it is neither an archaea nor a bacteria since they are both prokaryotes. Secondly, since it can not photosynthesize, it can't be a plant because all plants can photosynthesize. The presence of a cell wall tells us that it can't be an animal cell since they lack cell walls. Therefore, the organism found is a fungus-like protist. Fungi are prokaryotic cells that are unable to photosynthesize and they have cell walls.
5 0
2 years ago
In the southeastern United States, marshes are dominated by two species of smooth cordgrass; Spartina alterniflora dominates the
Olin [163]

Answer:

Option-4

Explanation:

In the given question, S. alterniflora grows in the seaward marsh whereas  S. patensis grows in the high marsh. When  S. alterniflora is removed, the S. patensis grows to a smaller portion whereas if S. patensis is removed, the  S. alterniflora covers all the land.

This shows that although both are different species but they share a niche and the marsh land is the fundamental niche of the  S. alterniflora as it can grow in all parts and therefore its distribution is limited by only a realised niche.

Thus, Option-4 is correct.

8 0
3 years ago
A heron, a large wading bird, is hunting in a pond that contains three types of prey: fish, frogs, and snakes. All three types o
r-ruslan [8.4K]

The preferred prey item would be frogs.

What is optimal foraging theory?

It is a theory in ecology that proposes that predating animals that get the most energy from minimal efforts are favored by natural selection.

In order words, selection forces prefer investing minimum energy in order to extract maximally available energy.

In this case, the heron needs to use the lowest time to harvest the maximum energy possible. Since all the preys offer the same amount of energy, the one that requires the lowest time would be preferable for the heron.

In other words, frogs would be the most preferable prey.

More on foraging theory can be found here: brainly.com/question/16970714

#SPJ12

4 0
2 years ago
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