The main source of energy on Earth
The Sun
In a food chain, what does the arrow represent
Direction of energy flow
The place Where an animal lives is called ______________.
Habitat
A relationship where one organism benefits and the other is harmed is called
Parasitism
What is the primary source of carbon in the carbon cycle
Carbon dioxide
A tick feeding on a dog's blood is an example of
Parasitism
A group of different animals and plants living together is called a
Community
A remora fish attaches itself to a shark and feeds on scraps of food. The shark is neither harmed nor benefited by the remora. This is an example of:
Commensalism
A tapeworm living inside a human's intestines and absorbing nutrients from the host is an example of
Parasitism
If grass is eaten by a grasshopper, and the grasshopper is eaten by a bird, who is the primary consumer
grasshopper
In a food chain, the hawk that eats a mouse is classified as a
secondary consumer
In an energy pyramid, if producers start with 1000 units of energy, how much energy would the primary consumers have?
100
23. If a large amount of fossil fuel is burned, what will happen to the atmospheric carbon dioxide levels?
increase
What do secondary consumers eat?
Primary consumer
What percentage of energy is passed from one trophic level to the next in an energy pyramid?
10%
A group of individuals of the same species living in the same area at the same time.
Population
