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Biology Mid-Unit 3 Assessment Flashcards | StudBud
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Biology Mid-Unit 3 Assessment
Biology Mid-Unit 3 Assessment
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1
Which of the following actions by humans could lead to habitat loss and place biodiversity of an ecosystem at risk?
Development of cities, buildings, and infrastructure
Poaching and hunting
Natural disasters
Deforestation
2
The amount of biodiversity found in an area depends on many factors, including moisture and temperature.
True
False
3
A keystone species is
Species that is endangered by natural disasters and lack of food
A predator that is the largest species in its ecosystem
Other species largely depend on, if removed the ecosystem would change
A species that is a the top of the food chain
4
Many different ecosystems make up a biome, and changes in one ecosystem cannot significantly affect the entire biome.
False
True
5
The below graphic is an example of a _______________:
Independent species
Food web
Food chain
Feeding frenzy
6
Sometimes taking away 1 species from an ecosystem does not cause its collapse, other times it does
True
False
7
_______________ is a measure of the number of different species found within a specific area.
Community
Ecosystem
Population
Biodiversity
8
An _____________ species is an animal or plant that's considered at risk of extinction.
Exotic
Threatened
Endangered
Terrestrial
9
On the federal level, the endangered species list is managed under the Endangered Species Act.
False
True
10
The amount of sunlight, also known as solar energy, does not affect the climate or vegetation of biomes.
False
True
11
Complex relationships in ecosystems mean changes in one biotic/abiotic component can have many effects on many species.
True
False
12
A ____________ is a sequence that links species by their feeding relationships.
Food web
Community
Matrix of animals
Food chain
13
Biodiversity makes ecosystems strong and able to adapt to change
False
True
14
A _______ is a major regional or global distribution of organisms adapted to living in that particular environment.
Biosphere
Estuary
Biome
Geosphere
