Additional Notes

Question 1

Asymmetrical body symmetry

Answer 1

No symmetry, eg sponges

Question 2

Radial symmetry

Answer 2

Eg jellyfish.
Lack Head
No front/back
Able to interact with environment from any direction
Anchored and cannot move to obtain food

Question 3

Bilateral symmetry

Answer 3

Eg goat
Right/left side are symmetrical
Have a distinct head, tail, bottom, back
Well adapted for movement

Question 4

Segmentation

Answer 4

Animals with bilateral symmetry are segmented into several repeating parts

Question 5

Annelids

Answer 5

A segmented worm. Consists of distinct tail, and several identical segmented rings

Question 6

Limbs

Answer 6

Used for movement, feeding, or gathering sensory info

Question 7

Animal phyla is often defined by?

Answer 7

Appendages such as antenna, mouth parts, wings, gills, legs, fins, arms, and tail parts

Question 8

Invertebrates

Answer 8

No back bones. More than 98% of animals are invertebrates. They aren’t a branch on the phylogenetic tree bc of a lack of a feature cannot define a group

Question 9

Vertebrates

Answer 9

Make up most of the phylum chordata. HAVEA skull and a backbone. Most have skeletal parts like shoulders and a pelvis that support paired limbs