Leeches are soft, squishy animals with long, tube-like bodies that are made of many repeating segments. They contain
a heart that pumps blood through their bodies and survive by attaching to other organisms and sucking their blood.
What animal phylum do leeches belong in?
arthropods
echinoderms
chordates
annelids

Maria wanted to grow a fern in her backyard. acting on a suggestion from a friend, she collected brown dots from the underside of a fern's leaves and then potted them. after a few days, maria saw small fern leaves erupting from the pot. which statement explains this phenomenon? a. the fern transitioned from gametophyte generation to sporophyte generation. b. the fern grew as a result of mitosis. c. the fern transitioned from sporophyte generation to gametophyte generation. d. the fern grew to be genetically identical to its parent plant.

What do animals wth echolocation have in common other than echolocation

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?