Invertebrates CONNECT

Question 1

Bilaterally symmetrical animals?

Answer 1

tend to be active and move forward.

tend to exhibit cephalization.

have right and left sides when cut longitudinally.

Question 2

4 characteristics of animals?

Answer 2

Animals are heterotrophic by ingestion or absorption.

Animals produce gametes by meiosis.

Animals digest their food internally.

Animals are multicellular eukaryotes.

Question 3

4 characteristic of sponges?

Answer 3

If the cells of a sponge are mechanically separated, they will spontaneously reassemble into a complete and functioning sponge.

Sponges have an osculum, an opening in the upper body.

Sponges are filter feeders.

Sponges can reproduce sexually or asexually.

Question 4

The only animal in which digestion occurs within cells is

Answer 4

sponges

Question 5

4 things that are cnidaria?

Answer 5

corals
sea anemones
hydrozoa
Portuguese man-of-war

Question 6

A person working in a rice paddy in Asia becomes infected with the liver fluke by?

Answer 6

swimming or wading in infected water, where the cercariae enter the skin.

Question 7

Human tapeworm infections occur by?

Answer 7

eating insufficiently cooked infected pork or beef.

Question 8

Name one of the smallest, if not the smallest, animals that are sometimes referred to as “wheel animalcules.”

Answer 8

rotifers

Question 9

If you live on a river delta or coastline, you may not be able to eat the local shellfish because of high levels of toxins, even though you may be able to drink the water taken from the same source. Why?

Answer 9

Shellfish filter-feed and concentrate the dilute pollutants from the water, thus acting as early warning indicators of severe pollution

Question 10

Molluscs share a three-part body plan consisting of a

Answer 10

visceral mass, mantle, and foot.

Question 11

Which of these is a bivalve?
 slug
octopus
earthworm
snail
oyster

Answer 11

oyster

Question 12

Which of the listed organisms do not possess the necessary features to be classified as a member of phylum Mollusca?
clams
squids
lobsters
nautiluses
snails

Answer 12

lobtsers

Question 13

member of phylum Mollusca?

Answer 13

clams, squids, nautiluses, snails

Question 14

characteristics of roundworms?

Answer 14

There are three layers of tissues in the body.

Roundworms have a tube-within-a-tube body plan.

There is an internal body cavity called a pseudocoelom.

Roundworms have a smooth unsegmented outside body wall.

Question 15

roundworms are all parasitic?

Answer 15

false

Question 16

Which phylum contains the greatest diversity of animal species?

Answer 16

anthropoda

Question 17

The major insect body parts are?

Answer 17

head, thorax, and abdomen.

Question 18

Which are key features that led to the success of the arthropods? (4)

Answer 18

segmented body

exoskeleton

brain and a ventral nerve cord

contain a variety of respiratory organs

Question 19

The structure that directs food into the body of a rotifer is called the corona. (T/F)

Answer 19

true

Question 20

Unique features of animals include ingesting their food, having a cell wall and the ability to move at some point in their life cycle. (T/F)

Answer 20

false

Question 21

Metamorphosis is a change in form and physiology that occurs during the development of an insect. (T/F)

Answer 21

true

Question 22

Which reproductive method would most likely lead to the greatest chance of success in sea stars?

Answer 22

fragmentation