Section 1
What is the minimum number of animals needed in an ecosystem?
1
What is a producer?
What is the first species in an ecosystem called?
Pioneer species.
What is a an ecological footprint?
It shows the impact that our life will have on the earth.
A symbiotic relationship is one where....
The relationship benefits one or both living things.
What language does the word 'bio' come from?
Greek
What is a consumer?
An organism that has to seek out and eat other living things for food.
What is competition within an ecosystem?
The competition of resources between living things in an ecosystem.
What is one way that you can minimize your ecological footprint at home?
Use less water, recycle or reduce your energy needs. (Need 1 of the above for points)
When do plants use carbon?
During photosynthesis.
What is a biotic factor/part of the ecosystem?
Something that is living.
What is a consumer that does not kill other living organisms for its food called?
A scavenger.
What is secondary succession?
This is when a community has been destroyed or disturbed by natural occurrences or human activity.
What does an ecologist do?
Studies the relationship among living things and their environment.
What are the 3 main processes of the water cycle?
Evaporation, condensation, and precipitation.
What is an ecosystem?
Any place on Earth where living things interact with other living and non-living things.
What is the difference between a food chain and a food web?
A food chain follows one animal and a food web shows many food chains interacting.
This species was first noticed in the Great Lakes in 1988 where they have become an invasive species.
Zebra Mussels
What does it mean for a species to be extinct?
That means the species cannot be found anywhere on Earth.
Give an example of 2 abiotic organisms.
Water, stones, metal, air, nest, spiders web, sand....
Something that is non-living.
What are the FIVE things living things need?
Water, food, energy, oxygen, suitable living conditions.
What components do you need to have photosynthesis?
light energy + carbon dioxide + water -> food (sugars & starch) + oxygen
What is succession?
A gradual process within an ecosystem in which some species replace others.
True or False: It is worse for a species to be threatened rather than endangered.
False
Are decomposers essential to an ecosystem?
Yes