Station 3! pls!

1. animals with backbones belong to the phylum.

a. cordate
b. echinoderm
c. athropod
d. mollusk

2. jellyfish and coral belong to the same phylum as

a. snails
b. sponges
c. sea anemones
d. fish

3. an animal belonging to the phylum athropoda is a

a. tapeworm
b. lobster
c. squid
d. slug

4. is the class of athropods which have 8 legs.

a. arachnid
b. insect
c. centipede
d. cephalopod

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a.one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b.one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c.one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent