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In-s [12.5K]
2 years ago
6

This is for science

Biology
1 answer:
trapecia [35]2 years ago
8 0

Answer: it is the second one (squeezes together)

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The hydra is an example of an organism with a simple body plan that uses the same site for both digestion and nutrient distribut
garik1379 [7]

Answer:

Gastrovascular Cavity

Explanation:

Hydra is commonly found in freshwater ponds and ditches as solitary organisms, in underside of aquatic leaves and lily pads in cool,clean freshwater pools and streams. It has a *Cylindrical body shape*.

Hydra possesses an internal body cavity, the *Gastrovascular cavity *,lined by gastrodermis and has a single opening,the mouth,which serves as an anus.

The Gastrovascular cavity of Hydra is a site for *digestion and nutrient distribution*,and also serves as anus.

6 0
2 years ago
What type of cells are Merkel cells?
abruzzese [7]

Answer:

Pressure sensing cells

Explanation:

Merkel cells provide information on pressure, position and deep static touch features such as shapes and edges. They are tactile sensors on the business of mechanotransduction. They encode surface features of touched objects into perception, but also have to do with proprioception.

7 0
3 years ago
What is an interconnection of food chains in an ecosystem?
Maksim231197 [3]

The answer is food web

8 0
2 years ago
Give one common characteristic of hardwood trees
ohaa [14]

Hardwood trees have a lot of bark.

(I hope this is good enough.)

3 0
2 years ago
A genomic researcher is analyzing the genome of different species of raptors. She finds that a particular sequence in the Bald E
mrs_skeptik [129]

Answer:

d. None of these  

Explanation:

Probably the identical sequence found in both species<em> </em>is an<em> ultraconserved sequence. </em>

An <u>ultraconserved element</u> is a particular DNI sequence that remains exactly the same through evolution, with almost no modification, and that is shared by at least two completely different species.

These ultraconserved DNI portions seem to be highly essential for life. However, their function could not be determined yet. Most of them do not codify for proteins, but they could play a significant role in gene regulation.

It is suggested that these sequences are so significant for life that only a small change would compromise the organism´s aptitude.

4 0
2 years ago
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