The theory of evolution describes how species reproduce. how species become extinct. how species change over time. how species migrate from place to place.

The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?

Why do you think the puppy litter was all dark-haired?

Whay is the following best defines climate