What kind of animals' body temperatures depend on the temperature outside?

What system helps filter wastes from the body after food is eaten?

What is the main organ in the circulatory system?

What is the name for an undeveloped plant or animal?

What structure determines if an animal is a vertebrate or invertebrate?

What type of animal has a body temperature that does not change regardless of the outside temperature?

What kind of animal group begins life in water and moves later to land?

What trait do all birds have in common?

How do most mammals have their babies?

The kidney and bladder are part of which body system?

What body system provides support for an animal's body?

Jellyfish are an example of which invertebrate category?

What animal has an outer covering on the outside of its body?

The brain is part of which body system?

Which of these behaviors is an example of instinct?

What is the largest vertebrate class?

What is the organ system that brings oxygen to body cells and removes waste gas?

What is the passing of traits from parent to offspring called?

What is the organ system that uses senses to control all body systems?

What are the stages of growth that an organism goes through?

Which organism is a simple invertebrate that lives in water?

What is a series of changing body forms during an animal's development?

What is the organ system that breaks down food for fuel?

What is the material that makes up skeletons in jawless fish (and also on the top of your ears) called?

When parts of an animal's body matches up with other parts around a midpoint or line, what is that called?

Which animal is classified as an invertebrate?

Which of these animals does not have symmetry?

What is an organism that is an exact copy of its parent?

Which organism reproduces by budding?