Question | Answer |
The smallest group into which an organism is calssified is a | species |
Evidence that an organism has lived in the past can be found on a | fossil |
An organism's home is called its | habitat |
Cells that work together are found in | tissues |
A living thing that might be found in a drop of pond water is | amoeba |
A long period of time with little rain or water is called a | drought |
The largest group into which any living thing can be classified is a | Kingdom |
When harmful substances are added to Earth's air, water and land, it is called | pollution |
How an organism changes over time can be found in a | fossil |
Smoke and pollution from factories that is found in rain is called | acid rain |
The smallest unit that makes up all living things is called a | cell |
A group of tissues working together is called an | organ |
The user of food that a producer makes is called a | consumer |
Too many of one kind of living thing is called | overpopulation |
An organism that no longer lives on the Earth is called | extinct |
The set of steps in which organisms get their food is called a | food chain |
2 reasons the dinosaurs became extinct were | disease, meteorites, volcanoes |