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WorksheetsEcology and Population Dynamics
Total questions: 14
Worksheet time: 5mins
Which of the following would be an example of a biome?
A lake
Earth
Tropical Rainforest
A group of zebra
There are about _________ people alive right now.
2 billion
8 billion
10 billion
80 billion
Which is a biotic factor?
soil
air
bacteria
water
Which of the following is a density independent limiting factor?
competition for resources
predation
disease
natural disasters
As a population of a species increases within a territory, which of the following most likely also increases?
Immigration
Food supply
Carrying capacity
Competition
Which of the following populations is most likely to go extinct?
a very small population in an unstable environment
a moderate-sized population of r strategists
a large population with lots of genetic variability
all would be equally likely to go extinct
Which of the following is a density dependent limiting factor?
pollution
food
climate change
hurricane
Which of the following represent abiotic factors that affect an environment?
Fish, trees, and bacteria
Alligators, ferns, and snakes
Temperature, wind, and soil type
Birds, mushrooms, and insects
What type of growth is shown in the graph?
exponential
logistics
a good kind
linear
Sea otters are very important for the kelp forests off the coast of California because they eat purple sea urchins, stopping them from overgrazing the kelp and causing the ecosystem to collapse. This makes them a(n)…
Invasive Species
Keystone Species
Endangered Species
Extinct Species
Argentine ants have made their way from South America to several other regions of the world. They have wiped out most of the native ant species of those regions and have caused other issues for those ecosystems as well. This makes them a(n)…
Invasive Species
Keystone Species
Endangered Species
Extinct Species
