quiz 4

Question 1

Animals are…

Answer 1

multicellular, heterotrophic, cells are supported by collagen, the formation of gastrulation follows the formation of the blastula

Question 2

Animals arose ____ millions of years ago

Answer 2

700

Question 3

Animals can be characterized by body plans that are

Answer 3

Animals have bilateral or radial symmetry

embryos may be diploblastic or triploblastic

Question 4

Porifera lack true tissue T or F?

Answer 4

True

Question 5

what develops first in a protostome

Answer 5

Mouth

Question 6

what develops first in a deuterostome

Answer 6

Anus

Question 7

What is a Coelom

Answer 7

tissue from the mesoderm, in the space between the digestive tract and outer most wall (body cavity)

Question 8

What is unique to Cnidaria

Answer 8

Stinging structures (nematocytes) housed in specialized cells (cnidocytes)

Question 9

What phyla are under lophotrochozoa

Answer 9

Platyhelminthes, Lophophorates, Mollusca, Annelida

Question 10

characteristics of lophotrochozoa

Answer 10

ciliated tentacles (lophophore) and top-shaped ciliated larvae (trochophore)

Question 11

What phyla are under ecdysoza

Answer 11

Nematoda, anthropoda

Question 12

What are characteristics of ecdysoza

Answer 12

they molt

Question 13

Who are the Deuterstomes

Answer 13

Chardata, Echinodermata