Biodiversity

Question 1

What are the four characteristics of chordates

Answer 1

1. Dorsal, hollow nerve cord
2. Pharyngeal slits or clefts
3. Notochord
4. Muscular post-anal tail

Question 2

What is the name of an animal with a backbone

Answer 2

Vertebrates

Question 3

Give an example of an asymmetrical animal

Answer 3

Sponges

Question 4

Give an example of an animal with radial symmetry

Answer 4

Jellyfish

Question 5

Give an example of an animal with bilateral symmetry

Answer 5

Arthropods

Question 6

What is cephalization

Answer 6

All of the sense and nerve organs

Question 7

How many limbs do most land chordates poses

Answer 7

4

Question 8

What are the characteristics of all animals

Answer 8

Animals are multicellular.
Animals are heterotrophic, obtaining their energy by consuming energy-releasing food substances.
Animals typically reproduce sexually.
Animals are made up of cells that do not have cell walls.
Animals are capable of motion in some stage of their lives.
Animals are able to respond quickly to external stimuli as a result of nerve cells, muscle or contractile tissue, or both.