Two different species, one is predator, one is prey
Predation
5 things organisms need for survival
water, food, a habitat, sunlight, oxygen.
What is ALWAYS the start of a food chain/web?
The sun
Biotic factors organisms compete for this
Food and mates
Every single living thing in an ecosystem
What is biotic
Parasite benefits, host is harmed
Parasitism
do flowers need bees to survive? If so, why?
yes, flowers do need bees to survive because they bees pollenate the flowers so that they can grow and reproduce.
What do food chains and webs illustrate.
they illustrate who eats who
Abiotic factors organisms compete for this
space and shelter
the smallest and most specific level in a ecosystem
What is an organism
Both organisms benefit
mutualism
How would you correctly order this?
rabbit -> sun -> wolf -> plant
sun -> plant -> rabbit -> wolf
What type of energy role is a human
Tertiary consumers
One thing a niche includes
How a organism obtains food
Every non-living thing in an ecosystem
What is abiotic
one benefits, other is not helped nor harmed
Commensalism
rabbits borrows help them with what?
Protection from foxes and other predators
A more complex model that shows feeding relationships within multiple pathways.
what is a food web?
A struggle between organisms to survive as they attempt to use the same limited resources in the same place at the same time
What is competition
All the organisms of one species living in the same area
What are populations
A close relationship between two different organisms
Symbiosis relationship
Any required factor that restricts or holds back the growth of a population
Limiting factor
What are the four energy roles?
1- producers
2- primary consumers
3- secondary consumers
4- tertiary consumers
Organisms with different ____ compete less often because they do not need the same resources for survival.
niches
Organisms, population, community, and ecosystem