WorksheetsCh 3 Review
Total questions: 14
Worksheet time: 19mins
Which community has higher species evenness?
Community A
Community B
What is the species richness of the community?
3
2
1
Species richness is
a measure of how all of the individual organisms in an ecosystem are balanced between the different species.
the total number of different species found in an ecosystem
True or false: An ecosystem with high genetic diversity is healthier than an ecosystem with low genetic diversity.
True
False
What is a keystone species?
A keystone isn't a living thing, it's just a stone
Keys and stones have nothing to do with ecology
A species that lives in or around rocks
A species that helps to hold an ecosystem together
Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not. Which kind of symbiosis is this an example of?
Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower. Which kind of symbiosis is this an example of?
Red-billed oxpeckers are birds that often feed on parasites that infest impala. Which kind of symbiosis is this an example of?
Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants. Which kind of symbiosis is this an example of?
Predation
Parasitism
Commensalism
Mutualism
Which of the following forms of biodiversity describes the differences between individuals within the same species?
Species
Habitat
Genetic
None of the Above
