Internal fertilization
Explanation:
everything takes place inside a female womb
Just draw a dot and cross diagram showing covalent bonding between sodium and chlorine.
both are smart and can use there hands for grabing things and some can use sign language to humans
I would choose the mountain ecosystem.
The mountain ecosystem contains a complex living organisms.
Mountain lands support a diverse array of habitats with large range of plants
and animals. It is very crucial for biological diversity and is very wonderful
to see. The climate is mostly cool which is fitting for relaxation.