WorksheetsEcology and Diversity
Total questions: 46
Worksheet time: 1hrs 6mins
Name
Class
Date
1.
Globally, the leading cause of biodiversity loss is
a)
invasive species
b)
poaching and overharvesting
c)
pollution
d)
habitat change and loss
2.
Scientists think people have directly caused the extinction of some species through ______________.
a)
habitat destruction
b)
poaching
c)
pollution
d)
All of these
3.
Biodiversity refers to
a)
extinct species
b)
the variety of species on Earth
c)
nonrenewable resources
d)
the rate of species decline
4.
Which of the following is an example of a biotic component of the environment?
a)
wind
b)
vegetation
c)
water
d)
temperature
5.
Which level of biodiversity includes the available habitat in an area?
a)
Species diversity
b)
Genetic diversity
c)
Ecosystem diversity
d)
All of these
6.
Some species are so important to the functioning of an ecosystem that they are called
a)
keystone species
b)
cornerstone species
c)
essential species
d)
exotic species
7.
A species that is NOT native to a particular region is called
a)
natural
b)
invasive
c)
endemic
d)
extraordinary
8.
You are a conservation biologist and have been assigned the task of conserving an endangered species. Based on your knowledge, which of the following steps would be your first priority in protecting the species?
a)
Reduce pollution in the area
b)
Captive breeding
c)
Conserve the species’ habitat
d)
Introduce a species to eat the predators of the endangered species
9.
Exotic or invasive species leads to all of these problems except
a)
increased biodiversity
b)
loss of biodiversity
c)
disease
d)
loss of native species
10.
Which of the following is NOT a benefit of greater biodiversity?
a)
water pollution
b)
crop protection
c)
better ecosystem health
d)
ecotourism
11.
Where are many biodiversity hotspots located?
a)
deserts
b)
tropical rain forests
c)
polar ice regions
d)
rocks
12.
What types of organisms are more likely to become endangered?
a)
Those with large populations
b)
Those which breed rapidly
c)
Those with one food source
d)
Those which can easily adapt to a variety of habitats
13.
What does this picture represent?
a)
species diversity
b)
ecosystem diversity
c)
genetic diversity
14.
What two factors are primarily used to describe climate?
a)
temperature and density
b)
temperature and precipitation
c)
precipitation and density
d)
winds and humidity
15.
If your latitude is close to 90 degrees North, you live in which zone?
a)
Polar Zone
b)
Temperate zone
c)
Tropical zone
d)
End zone
16.
As you go to the top of a mountain, what happens to temperature?
a)
Nothing
b)
It increases
c)
It decreases
d)
It does what it wants
17.
During an El Nino year, in NC we will likely have what kind of winter?
a)
cold and snowy
b)
hot and dry
c)
cold and dry
d)
no change in weather
18.
Abiotic factors are parts of the environment that are...
a)
Nonliving
b)
Living
c)
Populations
d)
Vegetation
19.
The most important abiotic factors when studying biomes are...
a)
Food and Water
b)
Water and Sunlight
c)
Temperature and Oxygen
d)
Water and Temperature
20.
This biome is found around the equator and is home to a large amount of biodiversity.
a)
Deserts
b)
Tropical Rain Forests
c)
Savannas
d)
Chaparral
21.
Which major biome is home to cacti, mesquite, white thorn, pack rats, small reptiles, and coyotes?
a)
desert
b)
taiga
c)
tundra
d)
grassland
22.
Which of the following is not a decomposer
a)
Vulture
b)
Fungus
c)
Worm
d)
Bacteria
23.
An Estuary is where
a)
fresh water meets ponds
b)
fresh water meets lakes
c)
fresh water meets streams
d)
fresh water meets salt water
24.
Which biome is MOST LIKE the "desert" in terms of precipitation?
a)
tropical rainforest
b)
temperate deciduous forest
c)
tundra
d)
coniferous forest
25.
In which biome is NC located?
a)
tropical rainforest
b)
temperate rainforest
c)
temperate deciduous forest
d)
alpine forest
26.
Karl describes an ecosystem he visits frequently. The plant life is mostly grass, about 3 feet tall. It is in a muddy area that floods each afternoon with a mix of freshwater and salt water. There is a small river present. He sees crabs and small fish.
a)
esturay
b)
ocean shoreline
c)
freshwater river
d)
coral reef ocean
27.
Which biome contains large populations of grazing herbivores, few species of birds, and deep, rich soil?
a)
estuary
b)
tundra
c)
deciduous forest
d)
grassland
28.
Which of the following ecosystems would not be classified as a freshwater ecosystem?
a)
pond
b)
open ocean
c)
River
d)
lake
29.
_________ is the amount of salt dissolved in water.
a)
Temperature
b)
Salinity
c)
Nutrients
d)
Pressure
30.
When biodiversity goes up...
a)
sustainability stays the same
b)
sustainability goes down
c)
sustainability goes up
d)
sustainability is unaffected
31.
a)
Desert
b)
Grassland
c)
Rainforest
d)
Coniferous forest
32.
a)
Desert
b)
Tundra
c)
Rainforest
d)
Grassland
33.
a)
Deciduous Forest
b)
Coniferous Forest
c)
Rainforest
d)
Grassland
34.
a)
Tundra
b)
Rainforest
c)
Grassland
d)
Desert
35.
In which biome would you MOST LIKELY find this organism?
a)
tundra
b)
desert
c)
tropical rainforest
d)
temperate deciduous forest
36.
In which biome would you MOST LIKELY find this organism?
a)
taiga/coniferous forest
b)
temperate deciduous forest
c)
tropical rainforest
d)
desert
37.
In which biome would you MOST LIKELY find this organism?
a)
tropical rainforest
b)
tundra
c)
desert
d)
temperate deciduous forest
38.
Where fresh water mixes with salt water.
a)
river
b)
lake
c)
ocean
d)
estuary
39.
All the populations that live together in an area make up a
a)
species
b)
population
c)
community
d)
ecosystem
40.
Individuals that can breed with one another make up a
a)
species
b)
population
c)
community
d)
ecosystem
41.
All the individuals of the same species in a certain area are termed a(n)
a)
species
b)
population
c)
community
d)
ecosystem
42.
The portion of the planet where life exists is termed the
a)
ecology
b)
biomes
c)
ecosystem
d)
biosphere
43.
A large area that has a particular climate, particular plants and particular animals is a
a)
ecology
b)
biome
c)
ecosystem
d)
biosphere
44.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
45.
The image provided is an example of a(n):
a)
Carnivore
b)
Herbivore
c)
Producer
d)
Autotroph
46.
An organism that eat's plants and meat.
a)
herbivore
b)
omnivore
c)
carnivore
d)
detrivore
100 %
