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Brut [27]
3 years ago
10

Where would you expect to find the simplest body plans?

Biology
2 answers:
Y_Kistochka [10]3 years ago
7 0
Most sponge body plans are slight variations on a simple tube-within-a-tube design. which of the following is a key limitation of sponge body plans? sponges lack the specialized cell types needed to produce more complex body plans. the reliance on osmosis/diffusion requires a design that maximizes the surface area to volume ratio of the sponge. choanocytes must be protected from the hostile exterior environment. spongin cannot support heavy bodies.
Mars2501 [29]3 years ago
3 0

Answer:

4

&

the preserved remains of a living organisms

a dinosaur footprint found in a rock layer

a mosquito from 65 million years ago trapped in sap

Explanation:

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