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ss7ja [257]
3 years ago
9

Hydra is called a diploblastic animal .Why? ​

Biology
1 answer:
lilavasa [31]3 years ago
3 0
Hydra has two main body layers, which makes it "diploblastic". The layers are separated by mesoglea, a gel-like substance. ... The cells making up these two body layers are relatively simple.
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Select the correct answer from each drop-down menu. the sun is the primary source of energy for ecosystems. the sun emits . when
galben [10]

The scientific law of one organism feeding off other where energy is transferred from one form to another is known as the law of conservation of energy.

<h3>How the sun is the primary source of energy for ecosystems?</h3>

Energy from the highest energy source that is sun is absorbed by plants to convert it into food (i.e a form of energy). plants are the only ones that can convert sunlight into another form of energy directly.

The animals and organisms that feed off of the plants take some part of this energy for their life cycles and then the animals that feed off of these animals again take some part of this energy and carry on with their life cycle, this is how energy from sun (highest source) is transferred to different organisms by Just changing form.

Thus, The scientific law of one organism feeding off other where energy is transferred.

To learn more about primary source of energy click here:

brainly.com/question/20893934

3 0
2 years ago
Help? I've read parts I need to like 20 times over and I need help.
lutik1710 [3]
Can you give anymore information?
7 0
3 years ago
How are radioactive isotopes used to date rocks? ...?
Stolb23 [73]
Some isotopes, however, decay slowly, and several of these are used as geologic clocks. Dating rocks by these radioactive timekeepers is simple in theory, but the laboratory procedures are complex. <span>All methods rely on the fact that certain elements (particularly uranium and potassium) contain a number of different isotopes whose half-life is exactly known and therefore the relative concentrations of these isotopes within a rock or mineral can measure the age.</span>
8 0
3 years ago
The movement of sperm from the seminiferous tubules to the epididymis is the result of?
Genrish500 [490]

Answer:

With sufficient stimulation, mature sperm travel from the epididymis through the vas deferens, a muscular tube, which propels sperm forward ...

Explanation:

6 0
1 year ago
Which type of galaxy is too small for gravity to form in it into an easily describable shape
Paha777 [63]
Hi! I believe the answer is B) Irregular.

Explanation: Irregular galaxies dont have a descriable shape.

Hope this helps!!

Payshence xoxo
7 0
3 years ago
Read 2 more answers
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