How many types Biomes are there on earth?
2 Terrestrial and aquatic
Population grows fastest when population is at its ___________
Lowest
How many trophic levels are there?
4.
What is the primary source of energy on earth?
The Sun.
Name the aquatic biomes
Marine (salt water) and fresh
These organisms adapt to stable environments, live for a long period of time, and have few offspring.
(R or K select)
K - Select.
What shape represents the amount of energy transfer through trophic levels?
A pyramid.
What are the 4 most important cycles in ecology?
1. Water cycle
2. Carbon cycle
3. Nitrogen cycle
4. Phosphorus cycle
Name the 8 terrestrial biomes
1.Tropical rainforests
2. Savannas
3. Subtropical deserts
4. Chaparral
5. Temperate grasslands
6. Temperate forests
7. Boreal forests
8. Arctic tundra
Name the important Keystone species found in the yellowstone national park.
Grey wolf.
What trophic level(s) do Omnivores eat?
Every level
What percentage of the atmosphere is made up of nitrogen?
79%
What 4 factors effect biomes?
1. Temperature
2. Moisture
3. Light
4. Nutrients
What 3 things do all organisms use energy for?
1. Survive
2. Grow
3. Reproduce
What percentage of energy will transfer up each trophic levels?
10%
Where do Nitrogen Fixing Bctieria live?
On plant roots.
What type of biome is Rye Neck high school on?
Temperate Forest.
Define Keystone Species.
A species of animals that regulate population ensuring biodiversity in an ecosystem.
Name the type of species found in each trophic level.
1. Plants
2. Herbivores
3. Predators
4. Omnivores
What does excess Nitrogen runoff feed in water? and what does this create?
Algae, Algae blooms