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Which feature below is a biotic component of an ecosystem?
What term describes the sphere of the Earth where living organisms exist?
What natural process requires oxygen and sugars and produces carbon dioxide?
using up a resource
using a resource wisely so that others can use it in the future
to keep on doing what we are doing today
to stop using all resources today so that others can use them in the future
Check all the human impacts that can negatively impact biodiversity of an ecosystem:
Polluting the water
Introducing an exotic species into an ecosystem
Deforestation (cutting down trees)
56 baby mice were produced and 40 of them died because they could not find a food source. Lack of a food source is defined as a(n):
In the following food chain: Plant → Rabbit → Fox, which organism is an autotroph?
In the following food chain: Plant → Rabbit → Fox, which organism receives the least amount of energy?
In the following food chain: Plant → Rabbit → Fox, which organism would have the biggest pyramid of numbers?
Which of the following is a reservoir of carbon below?
Death and Decay
A blue jay makes a nest in a tree. The symbiotic relationship between the blue jay and the tree is best described as:
Select all of the primary consumers in this food web: