development of animals

Question 1

1. zygote

Answer 1

Fertilization leads to formation of first cell state of animal development

Question 2

2. cleavage

Answer 2

division of zygote into multiple cell unit

Question 3

3. embryonal development

Answer 3

embryo is protected by many layers and the mother’s body

Question 4

4. fetus development

Answer 4

fetus is still in the mother’s body

Question 5

5. development of animal

Answer 5

when not covered by layers and mothers body (after birth, after hatching,…)

Question 6

direct development

Answer 6

animals after birth or after hatching are like mature individuals (fish, mammals, reptiles, birds)

Question 7

indirect development

Answer 7

animals after birth of after hatching are not like mature individuals thus it has to pass through metamorphic phases from larvae state (snails, butterflies, annelids, frogs,…)

Question 8

types of metamorphosis

Answer 8

incomplete metamorphosis

complete metamorphosis

Question 9

incomplete metamorphosis

Answer 9

larvae is growing to mature in several nymphal stages (štádium nymfy) while it is shedding of during these several stages

Question 10

complete metamorphosis

Answer 10

larvae is growing to mature through pupa stage (štádium kukly) after which it is fully mature

Question 11

development of animals

Answer 11

1. zygote
2. cleavage
3. embryonal development
4. fetus development
5. development of animal