Kingdom Animalia

Question 1

When did the evolution of animals start and where they originally come from?

Answer 1

Began In the ocean over 600 million years ago

Question 2

Give five mass extinctions

Answer 2

ORDOVICIAN PERIOD
LATE DEVONIAN
END PERMIAN
END TRIASSIC
END CRETACEOUS

Question 3

What is the name of the sixth extinction?

Answer 3

HOLECENE EXTINCTION/ANTHPOCENE EXTINCTION

Question 4

Give the 5 five Kingdom classification

Answer 4

🪴 plantae
Animalia
Protesting
Monera
Fungi

Question 5

Give 4 principle of classification

Answer 5

Complexity of the cell structures
Complexity of organism
Mode of nutrition
Lifestyle

Question 6

What are Ediacaran animals

Answer 6

Soft bodied animals ,left no skeletal material behind, the first metazoa

Question 7

What is the cambrian explosion

Answer 7

Explosion of new animals , abrupt appearance of modern phyla

Question 8

Importantance of animal diversity

Answer 8

Provision of food, medicine, scents and many other
World become Beautiful

Question 9

What are features if animal Kingdom

Answer 9

Cell organisation
Development (how genes)
Movement and sensitivity
Mode of nutrition
Animal reproduction

Question 10

Explain animal reproduction

Answer 10

&Haploid gametes ofamaleand female combine in fertilisation
& forming diploid fertilised called zygote
& rearrangements of existing cells called blastula
& blastula futher divide during grastrulation(gem layers formed)
& organogenesis development of tissues, organs