Share RC 4- Organisms and Environment
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What term describes living organisms in an ecosystem such as plants and animals?
biotic factors
What term describes non-living factors in an ecosystem such as rocks, water and temperature?
abiotic factors
Organisms that make their own food are called
Autotrophs or producers
Organisms that eat other organisms for food and energy
Heterotrophs or Consumers
Struggle between organisms of the same or different species for food, space, light, water, etc.
Competition
Variety of life
Biodiversity
Process by which organisms that are suited to a particular environment are better able to survive and reproduce than other organisms that are not.
Natural Selection
An organism whose cells do not have an enclosed nucleus
Prokaryote
Organisms made up of more than one cell.
multicellular
What is one difference between primary and secondary succession?
Secondary begins on soil and primary begins on rock. Primary succession begins in a previously uninhabited area while secondary restarts an area
Which cell organelles are found only in plant cells
Chloroplast and Cell wall
Which human body system breaks down food and absorbs nutrients ?
Digestive system
Which human body systems provides structural support and protects organs?
Skeletal System
a _________ term environmental change is a change in the environment that affects the individual organism. The organism would have to adapt quickly in order to survive.
Short
A _____________ term environmental change is a change in the environment that affects an entire population of organisms.
Long
Who else is the rabbit in competition with for resources?
Grasshoppers
