Vocabulary
Living Together
Changing Communities
Ecosystem
Leftovers
100
The way an organism interacts with living and nonliving parts of its ecosystem. (An organism's job)
niche
100
Name 2 things living things compete for?
food, water, shelter
100
What is one kind of water pollution?
fertilizer, acid rain, pesticides
100
True or False: Water is a living thing
False
100
Why is predation healthy for an ecosystem?
It keeps the prey population from becoming too large. It also removes sick, older, or weaker individuals of the population, helping prey stay strong
200
The close association of members of a different species that live together.
Example: Acacia ants nest on acacia trees and keep them safe from other predators
symbiosis
200
Explain the symbiotic relationship between a shark and a remora fish? What does each get from the relationship?
The remoras benefit by getting scraps from the shark's prey. The shark is neither harmed nor benefitted
200
What is an invasive species?
A species that was brought to an ecosystem that it does not belong in
200
What are 2 populations that live in Minnesota?
Miss Melby decides
200
What is the relationship between predators and prey?
predators kill and eat prey
300
The gradual replacement of one community by another
succession
300
Explain the symbiotic relationship between acacia ants and an acacia tree? What does each get out of the relationship?
Acacia ants get nectar and a place to nest. Acacia trees get protection from other insects.
300
How does an invasive species like a zebra mussel affect an ecosystem?
It takes resources from native species and multiplies fast because it has no natural predators
300
What are 2 living and nonliving things in this community?
Miss Melby decides
300
What is a living thing’s niche?
The role (or job) it plays in its environment.
400
All the living and nonliving things in an area and their interactions
ecosystem
400
Why is the relationship between a host tree and mistletoe plant parasitic?
The mistletoe plant steals water and nutrients from the tree and the tree is harmed
400
What happens during the process of succession of an ecosystem?
The ecosystem slowly changes over time
400
What's the difference between population and community?
population is many of one species. Community is more than one species
400
Vocab:
All the members of a species living in a certain area
population
500
All the different organisms that live and interact in an area
community
500
How does competition help the ecosystem?
The strongest and healthiest organisms are most likely to survive
500
How is acid rain formed?
Pollution rises into the clouds. It mixes with water vapor. The water vapor mixture then rains down.
500
Put these four terms in order from smallest to largest:
community, individual, ecosystem, population
individual, population, community, and ecosystem
500
What are the three kinds of symbiosis?
2 way relationships, 1 way relationships, and parasitic relationships