a.

arachnida

b.

crustacea

c.

insecta

d.

chilopoda

a.

Golgi bodies

b.

Lysosome

c.

Mitochondria

d.

Nucleus

a.

It is a simple multicellular plant

b.

During conjugation, its gametes, which are structurally ad phisiologically similar, fuse to form a zygote

c.

It possesses spiral chloroplast which enables the plant to photosynthesize

d.

Its cells are protected externally by a layer of mucilage

a.

Porifera

b.

Cnidaria

c.

Platyhelminthes

d.

Nematoda