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Which of these organisms is the secondary consumer?
How much energy is transferred between trophic levels?
What point on the graph represents the carrying capacity?
What is this picture describing?
It is describing direct competition between flamingos and ducks.
It is describing natural selection as it follows the disruptive selection pattern.
It is describing the niche of each bird within the tree.
It is describing abiotic factors of the tundra.
This photo is showing the same ecosystem in 2 scenarios: one with the sea otter and one without the sea otter. In the ecosystem without the sea otter, the ecosystem dynamics are completely changed. What term best describes the sea otter?
Why are some sharks considered a keystone species?
Because they are a top predator
They scare off smaller fish that may overgraze an area of sea grass
They are tertiary consumers
They are cartilaginous
Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?
There would be a decrease in the small bird population.
There would be a decrease in the grass/flowers population.
There would be a decrease in the mice population.
There would be an increase in the grass/flowers population.