Food chain/web
Organisms that eat plants and animals are called?
omnivores
What is the percentage of energy that is passed from one trophic level to the next?
10%
_______ levels is the feeding position in a food chain or energy pyramid that an organism occupies based on what it needs.
trophic
The relationship where organisms benefit from each other is called?
mutualism
Which trophic level has the most energy?
1st trophic level (primary producer)
Organisms that get energy from the sun and make their own food are called autotrophs. What is another name for autotrophs?
producers
How much energy is used by organisms to do its daily activities?
90%
__________ are consumers that feed on organisms that recently died
scavengers
Define commensalism
one organism benefits and the other is unaffected
An ________________ is a model that shows how much energy is in each trophic level
energy pyramid
What is the scientific name for consumers?
heterotroph
If the primary producer has 5100 kCal, how much energy will the secondary consumer have?
51 kCal
After energy is used in organisms, it is lost as _________
heat
Give an example of a parasitic relationship.
Any answer that shows one organism benefiting and one getting harmed
Give an example of an abiotic factor of the environment
Abiotic means non living things.
Answers are accepted as long as they represent non living things.
Ex: rocks, water, air, soil, temperature, etc.
In a food chain, what do the arrows indicate?
the flow of energy
(where energy goes to next)
Quaternary consumers are in which trophic level?
5th trophic level
_______________________ is the process where autotrophs use light energy to make food.
photosynthesis
Two males antelope fight for a mate. This relationship is an example of
competition
If the secondary consumer has 2340 kcal, how much energy does the primary consumer have?
23400 kcal
What is the difference in energy flow between food chains and webs?
Food chains show energy flowing in one direction.
Food webs show energy flowing in many directions
Why are there usually few organisms at the top of an energy pyramid?
So much energy is lost from one trophic level to the next that the energy available can only support a few organisms
Energy is measured in _____________
kilocalories or kCal
What are the 3 symbiotic relationships?
mutualism
parasitism
commensalism
Set the timer for 2 minutes.
Name 5 of the characteristics of living things.
Living things ...
1. have cells
2. have DNA
3. grow and develop
4. maintain homeostasis
5. reproduce
6. evolve as a population
7. get and use materials and energy
8. respond to their environment