Question

Question 3

If an organism exhibits radial determinate cleavage early in it's embryonic development, what else can you say with confidence about this organism?

1-Group of answer choices

2-this organism belongs to the clade "Bilateria"

3-this organism is a protostome

4-this organism belongs to the clade "Lophotrochozoa"

5- this organism has a gastrovascular cavity

Question 4

4-You find an insect with two membranous hind wings that fold under two hardened "shell-like" forewings. Which order of insects would you place this organism in ?

1-Group of answer choices

2-arthropoda

3-hymenoptera

4-coleoptera

5-lepidoptera

Answer 1

Question 3

The correct answer is option 3 - The organism is a protostome

Explanation: In determinate cleavage, fate of the cells are determined early and each early blastomere cannot produce whole embryo. It is found in protostomes in which blastopore develops into mouth.

Question 4

The correct answer is option 4 - Coleoptera.

Explanation: Coleoptera insects such as beetles have two pair of wings. The forewings are thick and shell like - called Elytra which covers the membranous hindwings.