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
What is the primary source of carbon in the carbon cycle
Carbon dioxide
A group of different animals and plants living together is called a
Community
What do secondary consumers eat?
Primary consumer
A tick feeding on a dog's blood is an example of
Parasitism
In a food chain, what does the arrow represent
Direction of energy flow
What percentage of energy is passed from one trophic level to the next in an energy pyramid?
10%
The ecological process in which fungi break down organic matter
decomposition
A biological community of interacting organisms and their physical environment.
Ecosystem
The place Where an animal lives is called ______________.
Habitat
A tapeworm living inside a human's intestines and absorbing nutrients from the host is an example of
Parasitism
In an energy pyramid, if producers start with 1000 units of energy, how much energy would the primary consumers have?
100
The role and function of a species has in its environment
Niche
The main source of energy on Earth
The Sun
If grass is eaten by a grasshopper, and the grasshopper is eaten by a bird, who is the primary consumer
grasshopper
A relationship where one organism benefits and the other is harmed is called
Parasitism
A group of individuals of the same species living in the same area at the same time.
Population
The layer around the Earth where life exists, including land, water, and air.
Biosphere
In a food chain, the hawk that eats a mouse is classified as a
secondary consumer
23. If a large amount of fossil fuel is burned, what will happen to the atmospheric carbon dioxide levels?
increase