Biodiversity Answers

Consider the following food chain: Plants are eaten by grasshoppers, which are eaten by mice, which are eaten by snakes. What will happen to snakes in the long term if mice become extinct? a. The number of snakes will increase temporarily, and then decrease. b. The number of snakes will decrease permanently, but they will not die out completely. c. The number of snakes will decrease temporarily and then increase. d. Snakes will die out if they do not find an alternative food source. Please select the best answer from the choices provided

Which of the following is not a possible reason for migration?a.climate changesb.diminished food supplyc.reproduction patternsd.increased biodiversity

An increase in biodiversity generally causes _______.a.a decrease in ecosystem stabilityb.random fluctuations in ecosystem stabilityc.an increase in ecosystem stabilityd.no change to ecosystem stability

A variety of different mechanisms in nature help create diversity in organism populations. The tundra found in the northernmost parts of the planet is the world’s youngest biome. The tundra is home to a variety of plants and animals. Organisms that can be found in the tundra include shrubs, mosses, caribou, polar bears, and wolves. Which mechanism do the different organism populations found across the tundra exemplify?

Organisms are dependent on each other for the energy they need to survive. Photos (left to right) by Mehmet Karatay, Jens Buurgaard Nielsen, Furryscaly, and Walter Siegmund What would occur if the snake population is removed from the ecosystem pictured above?

Consider the following food chain: Plants are eaten by grasshoppers, which are eaten by mice, which are eaten by snakes. What will happen to the other members of the food chain if the grasshoppers are removed? a. the number of plants will increase, the number of mice will decrease, the number of snakes will decrease b. the number of plants will decrease, the number of mice will increase, the number of snakes will increase c. the number of plants will decrease, the number of mice will increase, the number of snakes will decrease d. the number of plants will increase, the number of mice will increase, the number of snakes will increase Please select the best answer from the choices provided

How can an increase in biodiversity lead to an increase in ecosystem stability?a.A more biodiverse ecosystem is not subject to change.b.A more biodiverse ecosystem has a higher chance of adapting to species changes.c.A more biodiverse ecosystem has fewer species types to balance.d.A more biodiverse ecosystem is subject to fewer natural disasters.

An increase in the biodiversity of an ecosystem leads to an increase in its productivity.

Consider the following food chain: Plants are eaten by grasshoppers, which are eaten by mice, which are eaten by snakes. In the short term, what will happen to the other members of the food chain if the mice were removed? a. the number of plants will decrease, the number of grasshoppers will increase, the number of snakes will decrease b. the number of plants will decrease, the number of grasshoppers will decrease, the number of snakes will decrease c. the number of plants will increase, the number of grasshoppers will increase, the number of snakes will decrease d. the number of plants will increase, the number of grasshoppers will increase, the number of snakes will increase Please select the best answer from the choices provided

What is a possible cause for a decrease in ecosystem productivity?a.an increase in the biodiversity of the ecosystemb.a decrease of the biodiversity of an ecosystemc.the biodiversity of an ecosystem experiencing no changed.an ecosystem becoming more stable