Questão 1
Questão
Which of the following increases the size of a population (check all that apply)
Responda
-
Emigration
-
Immigration
-
Mortality
-
Natality
Questão 2
Questão
Which of the following decreases the size of a population (check all that apply)?
Responda
-
Emigration
-
Immigration
-
Mortality
-
Natality
Questão 3
Questão
A volcano erupting causes the birds on an island to have to leave to find a new home. This would be an example of ___________?
Responda
-
Emigration
-
Immigration
-
Mortality
-
Natality
Questão 4
Questão
If the rate of immigration and emigration of population are the same, what would cause the population to continue to increase in size?
Responda
-
If the mortality is greater than the natality
-
If the natality is greater than the mortality
-
If the mortality and natality are equal
-
This population could not increase
Questão 5
Questão
In a lab experiment, doors that swing outward only allowed mice to enter a population but not to leave it. What could cause an increase in the population?
Responda
-
Emigration
-
Immigration
-
Mortality
-
Natality
Questão 6
Questão
If a country had a higher death rate than a birth rate, what would explain a continued increase in population?
Responda
-
Emigration
-
Immigration
-
Mortality
-
Natality
Questão 7
Questão
What factor usually is responsible for limiting the size of each population in the biosphere
Responda
-
The carrying capacity of the ecosystem
-
The density of decomposers
-
The increase in annual natality
-
The opportunity to locate mates
Questão 8
Questão
The biotic component of an ecosystem would be __________
Responda
-
Climate
-
Temperature
-
Community
-
Water
Questão 9
Questão
Abiotic factors include all of the following except:
Questão 10
Questão
Termites eat wood but cannot digest it. Microorganisms that live in the termites’ digestive tract digest the wood. The microorganisms cannot live outside the termites’ body. This is an example of:
Responda
-
Commensalism
-
Competition
-
Mutualism
-
Parisitism
Questão 11
Questão
The cricket may live in a gopher burrow along with the gopher. Each animal is harmless to the other.
Responda
-
Commensalism
-
Competition
-
Mutualism
-
Parisitism
Questão 12
Questão
A lamprey eel attaches itself by a sucker to a fish and feeds on blood from a fish.
Responda
-
Commensalism
-
Competition
-
Mutualism
-
Parisitism
Questão 13
Questão
Garden seeds that sprout only inches apart cause the plants to be crowded and their growth and fruiting reduce.
Responda
-
Commensalism
-
Competition
-
Mutualism
-
Parisitism
Questão 14
Questão
Barnacles attach themselves to a whale. The barnacles benefit but the whale is unharmed.
Responda
-
Commensalism
-
Competition
-
Mutualism
-
Parisitism
Questão 15
Questão
Tapeworms live in animal intestines and grow new segments as they absorb digested foods. An animal may become undernourished as tapeworm segments are lost with eliminated wastes and the tapeworm grows more new segments
Responda
-
Commensalism
-
Competition
-
Mutualism
-
Parisitism
Questão 16
Questão
What constitutes a famine?
Responda
-
Individuals consume more calories than their bodies use.
-
The number of people in an area increases at a faster rate than food supplies.
-
People consume enough calories but fail to take the necessary vitamins.
-
Water quality is so poor that life threatening diseases are common.
Questão 17
Questão
What constitutes malnutrition?
Responda
-
Individuals consume more calories than their bodies use.
-
The number of people in an area increases at a faster rate than food supplies.
-
People consume enough calories but fail to take the necessary vitamins.
-
Water quality is so poor that life threatening diseases are common.
Questão 18
Questão
Through which pathway would the most energy be available to humans?
Responda
-
Pathway I
-
Pathway II
-
Pathway III
-
They are all the same
Questão 19
Questão
Through which pathway would the least energy be available to humans?
Questão 20
Questão
Which organisms are producers?
Responda
-
All of the following
-
Grasses and trees
-
Bacteria and mushrooms
-
Mice, rabbits, and deer
Questão 21
Questão
Which organisms can be considered consumers?
Questão 22
Questão
Which organisms convert light energy to chemical energy via photosynthesis?
Questão 23
Questão
Gross primary productivity in an ecosystem is the:
Responda
-
Energy lost by daily activity of producers in the community
-
Food energy available to consumers
-
Growth of the community
-
Sunlight energy converted by producers to chemical energy
Questão 24
Questão
Net primary productivity in an ecosystem is defined as:
Responda
-
Energy lost by daily activity of producers in the community
-
Food energy available to consumers
-
Growth of the community
-
Light energy converted by producers to chemical energy
Questão 25
Questão
A cow eats only grass making it a(n)
Responda
-
Herbivore
-
Carnivore
-
Omnivore
-
Scavenger
Questão 26
Questão
A vulture eats a dead animal which makes it a(n)
Responda
-
Herbivore
-
Carnivore
-
Omnivore
-
Scavenger
Questão 27
Questão
A bear eats both meat and berries, making it a(n)
Responda
-
Herbivore
-
Carnivore
-
Omnivore
-
Scavenger
Questão 28
Questão
A shark has a diet that consists of only fish
Responda
-
Herbivore
-
Carnivore
-
Omnivore
-
Scavenger
Questão 29
Questão
A butterfly migrates to a new area by flying
Responda
-
Active Dispersal
-
Passive Dispersal
Questão 30
Questão
A river moves seeds to an new location
Responda
-
Active Dispersal
-
Passive Dispersal
Questão 31
Questão
A monkey moves the seed of a mango tree to a new location
Responda
-
Active Dispersal
-
Passive Dispersal
Questão 32
Questão
The difference between the ecosystem and its community of organisms is the:
Responda
-
Decomposers of the ecosystem
-
Food web of the ecosystem
-
Physical environment of the ecosystem
-
Producers of the ecosystem
Questão 33
Questão
Which of these is a community relationship?
Responda
-
River turtles and snails eat tape grass
-
Turtle eggs are buried on the river bank
-
Tape grass clogs the water current in a river
-
Snails are concealed among rocks in a river
Questão 34
Questão
Which organisms lose heat energy in respiration?
Questão 35
Questão
An herbivore is also called a:
Responda
-
Decomposer
-
Green plant
-
First-order consumer
-
Second-order consumer
Questão 36
Questão
The food relationships diagrammed do not include the ecosystem’s;
Responda
-
Consumers
-
Decomposers
-
Predators
-
Producers
Questão 37
Questão
If the snake population declines, one result probably will be:
Responda
-
Competition between spiders and salamanders
-
Decrease in centipede density
-
Emigration of the salamanders
-
Increase in salamander density
Questão 38
Questão
A pyramid of biomass means that the mass of:
Responda
-
Consumers is greater than producers
-
Decomposers is greater than consumers
-
Decomposers is greater than producers
-
Producers is greater than consumers