Ecosystems 1
Which are abiotic factors?
a. snow, wind, rain
b. bacteria, temperature
c. plants, birds, insects
d. rain, wind, flowers
a. snow, wind, rain
The place where an organism lives is called its ___________.
habitat
A biome with many types of grass but few types of tall trees is the ___________ biome.
grassland
Which biome is Korea in?
deciduous forest biome
Biotic is living. An example is grass.
Abiotic is nonliving. An example is soil.
What is a biome?
A large ecosystem that has its own kinds of plants and animals.
How many biomes do most scientists agree there are?
6
Population is the number of one species.
Communities are a group of populations. It includes many species.
Forest ecosystems are more interesting than pond ecosystems. Is this statement a fact or opinion?
Opinion! Both forests and ponds have lots of different populations of species. Some people are more interested in different ones.
The warm, tropical biome that produces 40% of Earth's oxygen is called ____________ biome
rainforest
What are two types of forest biomes?
rainforest and deciduous forest
How can a change in one population affect the entire community in an ecosystem?
Example answer: sea otters eat sea urchins. If all the sea otters died then the sea urchin population would increase. Since sea urchins eat seaweed, then the seaweed population would decrease.
What is ecology?
The study of how biotic and abiotic factors interact.
The coldest biome with not many types of animals is the ___________ biome.
tundra
How many diferent biomes does Canada have?
4
How do water and temperature affect the ability of an ecosystem to support life?
If temperatures are higher and there is more water then there are bigger communities. Example: the rain forest has more life than the North pole.
What is climate?
Climate is the typical weather patter in an environment.
Trees that lose their leaves are called _____________ trees. (spelling matters)
deciduous
How is soil an important abiotic factor in grasslands and forests?
The soil provides nutrients for the grasses and farms in grasslands. (Then the soil gets nutrients from grass when there are fires in the summer).
The soil provides nutrients for the different plants and trees in forests. (Then the soil gets more nutrients from falling leaves).