Vocab
An attempt to preserve or protect an environment from harmful changes.
conservation
During Photosynthesis, plants give off.....
Oxygen
What is a series of steps by which energy moves from one type of living thing to another?
Food Chain
Name an event an ecosystem would have to change quickly.
ex. Earthquake
Name one example of a slow change and one example of a fast change.
Slow example: continents change position over millions of years or climate in region may become drier over thousands of years
Fast example: hurricane, forest fire
Make their own food for energy
Producers
During cellular respiration, organisms give off...
Carbon dioxide
Name an example of predator and prey
ex. snake (predator) and mouse (prey)
How can a forest fire have both beneficial and harmful changes?
a forest fire can be harmful to the organisms that live there now but may benefit organisms that move in later.
Why must pollution be regulated?
Too much pollution can damage the environment.
Consumers
What do plants need to survive.
sunlight, water, and soil
the shortest food chain consists of
a producer and a consumer
Describe an adaptation an organism haas that allows it to survive .
ex. the resurrection plant is able to dry up during dry seasons without dying.
The cells in what have spaces between them that air can pass through?
Spongy Tissue
Organisms that get their energy by breaking down wastes and dead organism.
decomposer
With your knowledge of photosynthesis, support the claim that the sun is earths primary energy source.
Plants get their energy from the sun. Animals eat plants for energy.
What describes both a food chain and a food web?
Both begin with a producer
In a forest fire 1/4 of birds' nests are blown away by winds and 2/3 are saved. What fraction of the birds' nests are left?
13/20
Nonnative animal populations can grow rapidly in a new environment because
Predators in the ecosystem are not used to hunting them
Long term relationship between two different organisms.
Symbiosis
What is the Role of Chlorophyll in photosynthesis?
It traps energy from the sun. The energy is used to make food.
In one ecosystem, snakes eat birds, plants make fruit, and birds eat fruit. What is the correct food chain.
bird--> plant--> snake
How do humans impact ecosystems?
People can cause pollution which affects the air, water, and land. They may Brin new species that is harmful to the environment.
Pollution can affect...
air, water, and land