Life Science 1st Semester Test

Front

What is the elimination of metabolic wastes from the body called?

Back

Excretion

Front

What does the term 'photoheterotroph' mean?

Back

Light and other feeder

Front

What are chemical signals in plants that affect growth and development called?

Back

Hormones

Front

What is a decrease in response to a stimulus that neither rewards nor harms an animal called?

Back

Habituation

Front

What is the process of converting nitrogen into a form plants can use?

Back

Nitrogen Fixation

Front

What is the primary function of hormones in plants?

Back

To regulate growth, activity, and development of cells and tissues.

Front

What is the difference between excretion and digestion?

Back

Excretion is the removal of waste, while digestion is the breakdown of food.

Front

What is the role of auxins in plant growth?

Back

Auxins are hormones that promote cell elongation and growth.

Front

What is habituation in animal behavior?

Back

A decrease in response to a repeated stimulus.

Front

What is nitrogen fixation and why is it important for plants?

Back

It is the process of converting atmospheric nitrogen into a usable form for plants, essential for their growth.