What is the name given to any object or change in the environment that affects the external or internal state of an organism?

Describe the advantages of vascular tissue (xylem and phloem) in a category of nonvascular and vascular?

What is the outgrowth of bony tissue into muscle or skin called

Which of the following statements accurately describes enzymes? A. Many different types of substrates with different shapes can bind to a single enzyme. B. Enzymes slow chemical reactions. C. Temperature and pH can affect how enzymes work. D.

Importance of diffusion

2 haploid (N) daughter cells

Does cell beneath formative phase differ from each other

Egg laying in fruit flies can be triggered (induced) when males deposit their sperm in the spermathecae of the females. what is the selective advantage of induced egg laying for the male flies?

What part of the brain is responsible for maintaining consciousness, mental processing, and normal speech?

Which of the following best explains how a dissecting microscope differs from a compound light microscope? A) We do not have enough evidence yet to call cell theory a law. B) We have not reviewed cell behavior enough yet to call it a law.

What happens to pyruvate molecules formed in glycolysis in the absence of oxygen?