This biome is very cold, very dry, and found only in the most northern and southern latitudes
What is a tundra?
This type of interaction describes a situation where two different species benefit eachother
What is a mutualism?
This type of species has high mortality among its offspring, but counteracts it by having multiple reproductive events per year
What is an r-selected species
This biome is usually covered in a thin layer of water and is a hotspot for animal breeding activity. It is very susceptible to damage by humans
What are wetlands?
Zebra snails, pythons, and lionfish are all examples of this type of animal which can destabilize an ecosystem
What is an invasive species?
This type of species does not reproduce frequently, but has high survival rates among its offspring thanks to parental care
What is a K-selected species?
This biome has diverse plant growth and moderate average temperatures and rainfall
What is a temperate forest?
This occurs when humanity derives a 'free' benefit from the environment, such as recreation, clean water, or moderation of climate
What are ecosystem services?
This is the formula to show the rate of population change
(Births - Deaths) + (Immigration - Emigration)
This biome is dry with occasional spouts of rain. There is rich soil, but very few trees/other large plants
What is a savannah?
If a tertiary consumer has access to one kilocalorie of energy, the producers must have generated this much energy
1000 kilocalories
These technological developments have enabled record population growth among humans in the 20th and 21st centuries
What are antibiotics, vaccines, and better agriculture?
This is a cold biome with a long winter and short summer. There are large coniferous trees here
What is a taiga?
This describes a situation where animals eat resources in different areas/times to reduce competition
What is niche partitioning?
This is the total number of children that would be born to each woman if she were to live to the end of her child-bearing years and give birth to children in alignment with the prevailing age-specific fertility rates
What is the total fertility rate?