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Animals
More Animals
Basic Life Systems
Cells
Plants
100
An animal that has a backbone.
What is a vertebrate?
100
A cold-blooded vertebrate with a strong, waterproof skin and a backbone.
What is a reptile?
100
The system that includes all of the body's muscles.
What is the muscular system?
100
They have oval or circular shaped cells.
What is an animal?
100
The protective outer layer of a leaf.
What is the epidermis?
200
The highest class of animals with a backbone.
What are mammals?
200
An animal that gets heat from outside its body.
What is cold-blooded?
200
This system includes all of the bones.
What is the skeletal system?
200
A plant cell has these two things that an animal cell does NOT have.
What are a cell wall and chloroplast?
200
The process of a seed sprouting.
What is germination?
300
Animals that do not have a backbone.
What are invertebrates?
300
The hard skeleton on the outside of the body.
What is an exoskeleton?
300
This system includes veins, arteries, the heart, and blood.
What is the circulatory system?
300
They have box-like cells and a cell wall.
What are plants?
300
The process plants use to get rid of extra water.
What is transpiration?
400
Star-designed, spiny skinned animals.
What are echinoderms?
400
Body parts that match up as mirror images when they are folded over.
What is symmetry?
400
This system removes wastes from the body.
What is the excretory system?
400
The smallest unit that makes up all living things.
What is a cell?
400
In plants, the process that happens when sugars break down and give off energy.
What is respiration?
500
This animal has jointed legs and a body divided into sections.
What is an arthropod?
500
These animals use poison stingers on tentacles to capture prey.
What is a cnidarian?
500
This system brings oxygen to body cells and removes carbon dioxide.
What is the respiratory system.
500
Many cells that join together (like the skin) are organized into these.
What is tissue?
500
The green substance in a leaf that traps sunlight.
What is chlorophyll?