Skeletons
Eating
Circulation
Gas Exchange
Digestion/Excretion
100

Skeleton located on the inside of an animal's body

Endoskeleton

100

Animals that feed on leaves, nuts leaves and fruit

Herbivores

100

Organs are bathed in blood-like fluid in this type of circulatory system.

open

100

Diffusion of gas and oxygen in fish occur here.

gills

100

Nutrients are absorbed in this part of the digestive system.

intestine

200

Fluid-filled cavity surrounded by muscle.

Hydrostatic skeleton

200

Animals that get their energy by eating other animals

Carnivores

200

Blood is kept separate from other fluids in this type of circulatory system.

closed

200

Openings in the abdomen of some animals for gas exchange.

spiracles

200

Where does the first step of digestion begin?

Mouth

300

A rigid covering that supports an animal from the outside of it's body

Exoskeleton

300

An animal that eats both plants and animals

Omnivore

300

What carries blood toward the heart?

Veins

300

Amphibians who live in moist environments do most of their respiration through what?

Skin

300

Terrestrial and aquatic animals use these organs to remove liquid waste.

kidneys

400

Which type of skeleton can support the most weight

Endoskeleton

400

Animals that eat by strain algae and protists or other food out of water 

filter feeders

400

What carries blood away from the heart?

Arteries 

400

All animals exchange oxygen and this gas.

CO2- or carbon dioxide

400

An organism's ability to keep its internal processes stable

Homeostasis

500

Flexible tissue that is the skeleton sharks.

Cartilage

500

Animals that eat dead animals

Scavangers

500

Helps move blood in both open and closed circulatory systems.

muscles

500

Most vertebrate animals respire using this organ

Lungs

500

The control system of all animals.

nervous system