Units 1-2
What is a population?
The number of the same species that live in a specific area.
Which of these is not a threat to aquatic ecosystems: coral bleaching, pollution, eutrophication, deforestation?
Deforestation
What forest has the most biodiversity ?
Tropical Rainforest
Are all deserts hot?
No
Where are the alpines?
In the Mountains
Which of these are abiotic: rocks, animal waste, acorns, and dying leaves?
Rocks
What is marine water?
Salt Water
What is the main threat to Mangroves?
Deforestation/Overdevelopment
What is an invasive species?
Species with no natural predators foreign to the land who do harm to the ecosystem.
What are biodiversity hotspots?
Areas with high amounts of biodiversity.
Name the greenhouse gas that is the atmosphere the most.
Water Vapor
What are benthos?
Bottom dwelling organisms.
What type of tree cutting is best for the environments but more dangerous?
Selective cutting
Name a keystone species in a grassland
Prairies, elephants, etc…
What are the different types of biodiversity?
Species diversity, Genetic diversity, and biome diversity
What is the difference between climate and weather?
Climate is the temperature over a course of time and weather is the current temperature.
What part of marine ecosystems have the lowest biodiversity?
Abyssal Plain
What is the highest part of the forest?
The emergent layer
What is the tragedy of the commons?
When people share space or resources they overuse it for their profit.
What is permafrost?
The hardened soil in the tundra due to the ice and cold climate.