A group of members of the same species is known as
What is a population
100
A deer eats grass. In this example the deer is the _______________ and the grass is the _____________
What is consumer and producer.
100
This is a biological part of the water cycle in which water (h2O) evaporates from the leaves of plants into the atmosphere.
What is the water cycle
100
Coal and oil are considered nonrenewable resources. What does nonrenewable mean?
What is they cannot be replaced after they are used up
100
The term "ecological footprint" refers to
the amount of waste produced by humans and the resources it takes to clean it up.
200
An ecosystem is an environment made of many communities with abiotic and biotic factors. What is the difference between these two factors?
What is nonliving and living. #41
200
When producers and consumers die how are their nutrients recycled back into the environment?
The are broken down by decomposers.
200
This is a biological part of the water cycle in which water (h2O) evaporates from the leaves of plants into the atmosphere.
What is transpiration
200
This is what is reached when an ecosystem can no longer sustain anymore organisms.
What is carrying capacity
200
An increase in land-surface temperature change over the past 150 years has helped ecologists identify this major environmental problem.
What is global warming
300
DDT is a harmful chemical that does THIS as it moves up levels in a food chain.
What is increases (biological magnification).
300
See the food web image to answer this question.
List ONE example of a food chain within this food web.
answers may vary
300
Photosynthesis is a part of which biogeochemical cycle?
What is carbon.
300
This is the greatest threat to biodiversity.
What is destroyed/altered habitats due to human activities.
300
Define trophic level
Level at which an organism acquires energy.
400
Different populations that live in the same area
What is a community
400
Marine Food Chain:
Algae-> Zooplankton-> Fish-> Squid->Shark
This is what would occur if there was a decrease in the fish population.
What is more zooplankton and less squid and sharks
400
When animals and plants die, they go through this process that releases carbon.
What is decay/decomposition
400
List two factors that can cause a population to decrease and two factors that can cause a population to increase.
decrease: death rate and emigration
increase: birth rate and immigration
400
Compare and contrast autotroph and heterotroph
What is they are both alive and autotrophs make their own food while heterotrophs depend on autotrophs for food.
500
List the levels of organization starting with the smallest unit of life.
What is cell, tissue, organ, organ system, organism, population, community, ecosystem, biome, biosphere.
500
describe what each organism does in the following food chain: producer --> herbivore --> omnivore --> carnivore -->decomposer
The producer makes its own energy using sunlight, the herbivore only eats producers, the omnivore can eat both producers and consumers and the carnivore only eats herbivores or omnivores. The decomposer breaks down anything that dies.
500
The burning of fossil fuels releases this element back into the atmosphere.
What is carbon
500
This is what happens to a population when the maximum number of organisms in an ecosystem is exceeded.
What is increased death rate, decreased birth rate, increased competition, etc.
500
This is the main difference between primary and secondary succession
What is primary succession occurs on bare surfaces and secondary succession occurs on soil