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Katen [24]
2 years ago
15

Difference between starfish and hydra​

Biology
2 answers:
tangare [24]2 years ago
6 0

Answer:

A Starfish is Triploblastic meaning they consist of three germ layers. Hydra are diploblastic meaning they consist of only 2 germ layers.

Ilia_Sergeevich [38]2 years ago
4 0

Answer:

Explanation: Hydra live in freshwater habitats, whereas Obelia is exclusively marine. Hydra does not have medusa form in their life cycle, whereas Obelia has both forms; polyp and medusa. starfish," are not fish.

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According to the phylogenetic tree, which domains are more genetically related?
quester [9]

Answer: The correct answer is- Archaea and Eukarya.

As per the information about the (phylogenetic tree) given in the question,

the last branch of the phylogenetic tree begins with the line of Eukarya and then holds the species of the Archaea division, which includes those prokaryotic organisms that live in extremely harsh environmental conditions ( such as Methanobacterium, and extreme halophiles).  

As this last branch holds species of two domains ( from 3 domain system of classification that includes Bacteria, Archaea, and Eukarya) , which are Archaea and Eukarya as it begins with Eukarya and later on holds the species of Archaea.

Thus, it shows that Archaea and Eukarya are more genetically related.

3 0
3 years ago
Why are X-linked disorders more prevalent in men than women?
iren2701 [21]
Because men have one copy of the X chromosome
5 0
3 years ago
Most of the body's calcium is found in ________.
atroni [7]

Answer:

Bone.

Explanation:

Calcium is one of the important element present in the body. Calcium plays an important role in the muscle contraction. The calcium ions also acts as a signalling molecule during cell signalling.

The calcium is present in our extracellular fluids, bones, and teeth. The major constituent of calcium is present in the bone. The bone consists of around 90% body;s calcium.

Thus, the correct answer is option (b).

7 0
3 years ago
What is life process?<br><img src="https://tex.z-dn.net/?f=%7B%20%5Cpmb%7Bbrainliest%20%5C%3A%20assured%7D%7D" id="TexFormula1"
Irina-Kira [14]

Answer:

the basic functions performed by living organisms for their survival and body maintenence are called life process.

Explanation:

life process require energy which is provided by nutrition .

basic life processes are : nutrition , respiration , transportation , excretion .

5 0
3 years ago
Read 2 more answers
Question 1
Kazeer [188]

Answer:

the last one which I'm guessing is d......cause it kinda messed up

3 0
2 years ago
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