Answer:
It is important because we need many different types of animals. Food chains are made up of many different links, and if there are fewer links, this will lead to animals not being able to feed. Biodiversity boosts the ecosystem and leads to an ecosystem that is self sustaining and able to produce things for people.
Explanation:
Answer:
The fusion of a egg and a sperm produces a zygote with 46 (2n) chromosome number.
Answer:
secondary consumer
Explanation:
They are the least because they play a less important role in the ecosystems.