Question

1. How do sponges feed? How do they breathe?

2. Can sponges be slip up and still live, like sea stars?

3. Are sponges really the first animal? How de we know?

4. Why are different sponges different Shapes?

5. How many kinds of sponges are there?

6. What’s a sponges lifespan? How big they get?

7. Animals are motile but sponges? How?


Anything help! Thank you

Answer 1

1. Respiratory organs are lacking in sponges; oxygen is supplied by a direct exchange between the tissues and the surrounding water.

2. yes

3. the discovery of new chemical evidence now pegs the advent of the species at 120 million years earlier than was previously thought

4. they lack true tissues and organs.

5. The approximately 8,550 living sponge species are scientifically classified in the phylum Porifera, which is comprised of four distinct classes

6. Sponges can live for hundreds or even thousands of years. "While not much is known about the lifespan of sponges, some massive species found in shallow waters are estimated to live for more than 2,300 years, they can grow even up to 6 feet or 8 feet long

7. their cells lack a cell wall, they are multicellular organisms, and they reproduce using sperm cells.

Step-by-step explanation: