It's both! Scientists really can't agree on it.
Answer:
This is the respiration found in plants
Explanation:
Answer:
demospongi and sclerospongi are two classes of sponge
Explanation:
Sponges have/are:
Body with cells arranged around pores, canals and chambers for the passage of water.
Skeletal structure of spicules and/or spongin.
All aquatic, mainly marine.
Filter feeders.
Sessile adults; sessile, planktonic larvae.
Sexual and asexual reproduction.
Gas exchange is by diffusion.
<u>Darwin believed that the desires of animals have nothing to do with how they evolve, and that changes in an organism during its life do not affect the evolution of the species.</u>
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Answer:
plants animals and cosmic rays
