In the case of a tick feeding off a deer, the deer would be considered and the tick would be considered .

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?

How does the study of genetic disorders such as pku biologists understand normal alleles?

This rapid change in species that rarely leaves behind fossil evidence is referred to as