Unit 1- 2.9 Animalia

Question 1

characteristic of animalia

Answer 1

-heterotrophic
-multicellular
-eukaryotes
-lack cell walls
-use oxygen for cellular rep.
-sexual reproduction

Question 2

3 types of body symmetry

Answer 2

1. bilateral- in half
   2.radial through the middle

OR asymmetric (no symmetry)

Question 3

what are cells

Answer 3

most basic unit of life

Question 4

hierarchy of organization of cells

Answer 4

-cells
-tissues (exception of sponges)
-organs
-organ systems

Question 5

coelom

Answer 5

fluid filled body cavity, contains internal organs

Question 6

acoelomates

Answer 6

have solid flattened bodies

Question 7

coelomates

Answer 7

have body cavity with complex internal organs

Question 8

sessile

Answer 8

stationary

ex: sponges & corals