What are the two kinds of factors in the ecoystem and what are they?
Biotic- living parts of an ecosystem
abiotic- non living parts of an ecosystem
200
What are three forms of water in the water cycle and water is water made of?
gas, liquid, solid
Hydrogen and oxygen
200
What is chemosynthesis?
bacteria producing food using heated chemicals released from underwater vents
200
What is a coniferous tree? what is a deciduous tree?
coniferous- evergreen trees that produce food all year long
deciduous - trees drop their leaves as winter approaches and grow new leaves in spring
300
How do plants effect the ecosystem?
Plants effect the types of animals , air, and temperature, soil of the ecosystem
300
All living things are contain what chemical element?
carbon
300
What feeds on dead animals?
scavengers
300
Why are plants in tundras small?
permafrost in tundras prevent trees from taking in roots
400
What provides the energy for the ecosystem?
Sun
400
What are the three processes of carbon cycle? Define them
photosynthesis: plants use carbon to produce sugar
Respiration: organisms break down carbon compound and release it to the atmosphere
Combustion: fossil fuels are burned and carbon is released into the atomosphere
400
What is the name of the clean-up crew in the ecosystem? What do they do?
Decomposers- break down dead plants and animal matter into simpler compounds
400
How does the variety of plants in a biome affect the variety of animals in a biome?
greater the plant variety in a biome, greater the variety of animals?
500
What do all living things need?
water
500
What are the five processes of the water cycle?
precipitation: water falls to the earth's surface
condensation: water vapor changes to liquid or solid form
evaporation: water changes back to vapor
transpiration: plants release water vapor
respiration: animals release water vapor as they breathe.
500
What is the difference between food chain and food web?
food chain shows only a set of feeding relationships in an ecosystem and a food web shows many different feeding relationships
500
What is the difference between a biome and an ecosystem?
Ecosystem is in one location, while a biome represents areas worldwide that contain similar climate and vegetation