Fredrika's science teacher asked her to bring in three biotic items from her backyard ecosystem. which of the following groups of items should she bring?

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.