WorksheetsUnit 2 Ch3 and Ch4 2022 part A
Total questions: 40
Worksheet time: 4hrs 5mins
One characteristic feature of the tundra is that only the surface thaws in the summer and refreezes in the winter, leaving a permanently frozen subsoil. This characteristic is known as
Hoarfrost
Glaciation
Permafrost
Crystallization
Traveling southward from the Arctic regions of Canada to the tropics of Panama, one passes through several biomes - tundra, coniferous forest, temperate deciduous forest, and tropical rain forest. This pattern of change in vegetation is primarily the result of
primary and secondary successsion
invasion of exotic species
increase in mean annual temperature and a decrease in mean annual precipitation
an increase in both mean annual temperature and mean annual precipitation
an increase in total annual hours of sunlight
I. increasing runoff
II. increasing evaporation
III. increasing percolation
coal
I. annual precipitation
II. distinctive animal species
III. distinctive plant species
I. dominant plant growth forms
II. depth
III. salinity
Which biome covers most of the land mass near Earth's equator?
Desert
Grassland
Tropical rainforest
Temperate forest
The rain forest soil is
poor and rocky
frozen soil
thick and nutrient rich
thin and nutrient poor
A large region characterized by a specific type of climate and certain type of plants.
boreal forest (taiga)
climate
biome
canopy
__________ primary productivity is the total amount of energy that producers convert to chemical energy in organic molecules per unit of time.
Net
Total
Gross
Secondary
__________ primary productivity = the organic materials that remain after photosynthetic organisms in the ecosystem have used some of these compounds for their cellular energy needs (cellular respiration).
Gross
Total
Net
Secondary
The total quantity of all living matter in an area is called:
Troposphere
Net Primary Productivity
Biomass
Ecosystem
Ecological efficiency from one trophic level to the next is generally:
1%
10%
75%
90%
Organisms that feed only on plants are called:
detritivores
omnivores
carnivores
herbivores
The very necessary process of breaking down the dead bodies and feces of organisms is a function of (dung beetles/maggots):
detritivores
omnivores
decomposers
carnivores
organisms that complete the final breakdown and recycling of organic materials from the remains of all organisms are:
producers
consumers
detritovores
decomposers
Which biome would have the highest net primary production?
savanna
boreal forest
coral reefs
desert
Which is not a reason coral reefs have such high productivity?
They are entirely within the water.
They usually exist in very warn climates
Gets lots of sunlight to support photosynthesis
They are very deep in the oceans
What is the general trend in this graph? What factors appear to affect productivity, and how?
The general trend is that warm and wet biomes have higher primary production than cold, dry biomes.
The general trend is that cold and dry biomes have higher primary production than warm, wet biomes.
The general trend is that cold and wet biomes have higher primary production than warm, dry biomes.
The general trend is that warm and dry biomes have higher primary production than cold, wet biomes.
Which is not a reason the open ocean is listed so low in productivity?
The open ocean is far from land masses that would provide essential nutrients for life to thrive.
In the open ocean light only penetrates the surface layer of water.
Fish don't live in the open ocean.
Which is biotic?
I. Decomposers
II. Energy flow
III. Producers
I only
II only
III only
I and III
I, II and III
Choose the correct sequence for energy flow within an ecosystem
Herbivores ® producers ® carnivores ® scavengers
Producers ® herbivores ® carnivores ® scavengers
Producers ® carnivores ® herbivores ® carnivores
Scavengers ® producers ® herbivores ® carnivores
Carnivores ® scavengers ® producers ® herbivores
How is the majority of energy within an ecosystem lost?
heat loss
energy used to grow biomass
cellular respiration
cellular metabolism
energy used to capture prey
Which ecosystem is the most productive?
Tundra
tropical rainforest
coral reef
swamps and marshes
desert scrub
Based on the figure, what can you say about the relationship between the temperature of a continental ecosystem and net primary productivity?
There is no clear relationship between temperature and productivity.
The warmer the ecosystem, the higher the productivity.
The colder the ecosystem, the higher the productivity.
Warm continental ecosystems are more productive than warm marine ecosystems.
The warmer the ecosystem, the lower the productivity.
