Bio Careers: Wildlife Biologists

Anything that can decrease the size of a population including living (biotic) and non living (abiotic) features of an ecosystem such as predators and drought.

• limiting factor
• habitat
• ecosystem
• carrying capacity

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all populations of all species living in an ecosystem.

• population
• community
• ecosystem
• species

grass->rabbit  -> fox

• food chain
• food web
• energy pyramid

Tags

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What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

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If the population of corn were to be wiped out by disease, what possible effect might this event have on the food web?

• The grasshopper population would decline.

• The would have less prey options.

• The rat population would decline.

• All of the above.

Farming helps to feed the world's growing population, but farm land reduces biodiversity in an area. This is an example of

• conservation

• trade-off

• carrying capacity

• biosphere

Tags

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What is Conservation?

• Protection of environment from climate change

• Protection of organisms and environment from harmful affect of humans

• Destruction of environments from climate change

• Destruction of organisms and environment from harmful affect of humans

Habitats can be preserved by...

• Reducing recycling

• Building more roads

• Reducing pollution, developing conservation parks

• Introducing invasive species

What does this graph represent?

• a predator-prey relationship
• limiting factors in a population of rabbits
• exponential growth of insects
• carrying capacity of deer population

If additional snakes are introduced into this ecosystem, there will most likely be an immediate decrease in the _________.  

• hawk population
• rabbit population
• wildflower population
• grass population