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1. what is an ecological niche ? give an ex?
2. describe six characteristics shared by all ecosystem?
3. how does energy move in ecosystem?
4. why doesn’t trash decompose in a modern landfill?
5. what is the ozone layer ? where is it located? why is it important to life on earth?
6. what is the ozone hole? how hav government responded to the discovery of the ozone hole?
7.why is ozone in the stratosphere considered beneficial whereas ozone at ground level is not?
8.what is acid rain? what steps would have to be taken to solve the acid rain problem?
9. why is the greenhouse effect a current areas of scientific concern when the earth has had carbon dioxide ,methane, and water vapor for several billion years?

I realize there may be more than one answer, but what is a rat’s niche? Thank you

I realize there may be more than one answer, but what is a rat’s niche? Thank you

1. Irritability
2. tissue
3. herbivore
4. mitosis
5. ecological niche
6. producer
7. mutation
8. growth
8. carnivore
9. occus
Question to match with answer<
A. increase in cell size or number.
b. reproduction of the cell that produces two exact copies of the parent.
c. development stage in insects.
d. a group of cells that have the same structure and function.
e. green plant that traps the sin's rays and converts them to chemical energy.
f plant-eating organism .
g. a change in the hereditary information of chromosomes.
h. were an organism is and what does.
I. the ability to respond to an enviromental stimulus.
j. round bacterial shape .
k. flash-eating organism.
Thanks for help will give Rate!!!

1. Irritability
2. tissue
3. herbivore
4. mitosis
5. ecological niche
6. producer
7. mutation
8. growth
8. carnivore
9. occus
Question to match with answer<
A. increase in cell size or number.
b. reproduction of the cell that produces two exact copies of the parent.
c. development stage in insects.
d. a group of cells that have the same structure and function.
e. green plant that traps the sin's rays and converts them to chemical energy.
f plant-eating organism .
g. a change in the hereditary information of chromosomes.
h. were an organism is and what does.
I. the ability to respond to an enviromental stimulus.
j. round bacterial shape .
k. flash-eating organism.

1. What is the function of a producer in a food chain?
.to consume energy from various plants and animals in the food chain
.to break down essential nutrients and return them to the soil
.to create energy-rich molecules, such as glucose
.to create symbiosis in an ecosystem
2. The role a species plays within a community is its
.niche.
.habitat.
.population.
.ecology.
3. The relationship in which one species benefits and the other is unharmed is known as
.a niche.
.commensalism.
.mutualism.
.parasitism.
4. Population size is limited by all of the following except
.biotic factors.
.abiotic factors.
.competition.
.All of these can limit population size.
5. The _________________ is the part of Earth’s crust, water, and sky that supports living organisms. (1 point)
6. Using all the terms provided here, construct a food chain of your own. Make sure to show the flow of energy in your food chain. Terms to use include producer, herbivore, carnivore, omnivore, and decomposer. (1 point)