Biomes
What biome makes up most of Africa?
Grassland
Are there abiotic factors in a population?
no, a population is a group of the same species without abiotic factors.
What is an organism that externally breaks down dead organic matter?
A decomposer
What are the hierarchical steps in a food chain called?
Tropical levels
Will a population's growth rate increase, decrease, or stay the same if individuals of that population are mass hunted?
The population growth will decrease due to a lack of reproducing adults
Out of the four spheres of the earth, which consists of all rocks, minerals, and the earth's interior?
The geosphere
Can there be a community of only one species?
No, as a community requires biodiversity
What is a relationship between two species?
Symbiosis
What is the difference between a food web and a food chain?
A food chain is one path of energy being transferred between organisms, while a food web has multiple different paths and is much more complex.
What is the difference between immigration and emigration?
While both move from one place to another, immigration increases population size, while emigration decreases it
What are the 4 global Ecosystems?
Atmosphere, biosphere, hydrosphere, and geosphere
What are the levels of organization in order?
Organism/Individual, population, community, ecosystem, and biosphere
What is a number of animals in a population that can be sustained within an area?
The Carrying capacity
How is energy obtained by primary producers?
By capturing energy created by nonliving resources and converting it into energy living creatures can use (photosynthesis & chemosynthesis)
What populations do density-independent limiting factors affect?
All populations are affected by density-independent limiting factors no matter how large or small the population is