3rd Grade - Chapter 4 Science Test

29 cards   |   Total Attempts: 189
  

Cards In This Set

Front Back
Environment
The living and non living things that surround a living thing
Ecosystem
Made up of all the living and nonliving things in an environment
Population
A group of organisms of the same kind living in the same place
Community
All the population that live in an ecosystem
Habitat
The place in its ecosystem where a population lives
Desert
A very dry ecosystem
What do you find in a desert?
1. sand
2. cactus (with thick stems and roots that are just below the surface and spead far from plant)
3. tumbleweeds
Grassland
An ecosystem that is often flat areas of land that are hot in summer and dry in winter
- It receives little rain.
Saltwater
ocean ecosystem, takes up most of the Earth
Freshwater
Rivers, ponds, and streams
Forest
Many trees grow
Deciduous
Lose their leaves in the fall
Coniferous
Trees with cones and leaves all year
Adaptation
Any trait that helps an animal survive
Examples of adaptations
-arctic hare changes color in the winter and summer
-plants have large leaves to take in more sunlight