2.1 a) nectar b) to produce seeds c) pollen is made in the ovary
I also believe the answer is A.
Explanation:
the name porifera means pore bearer in latin. a sponges body is covered by a skin, one cell thick. this skin has lots of small pores ad a few large openings. the small openings are the entrances to a complex system of channels. these collar cells pump water through the entire sponge and filter out food for the sponge cell to eat
Answer:
has transparent epidermis to allow light to pass for photosynthesis
has chlorophyll to trap sunlight energy needed in photosynthesis
has stomata to allow passage of water and gases
Answer:
You multiply 0.5 by 20 which will give you 10 your answer is 10