Vocabulary
Abiotic or Biotic?
Symbiotic Relationships
Vocabulary 2
Changes in populations
100
An environment that provides everything an organism needs to live, grow, and reproduce
Habitat
100
Dissolved Oxygen
abiotic
100
Bees build a hive in a tree (the tree is unaffected by the hive)
Commensalism
100
An animal that eats other organisms
Predator
100
Look at the graph to answer the question. In 1885 the lynx population is at it's highest, but the hare population is declining. Why is this the case?
The growing amount of predators limits the size of prey.
200
All members of one species living in a particular area form
Population
200
Algae
Biotic
200
A tick attaches to a coyote, eating their blood and making the coyote sick.
Parasitism
200
An animal that other animals eat
Prey
200
Use the graph to answer the question. Predict what would happen to the hare population if the lynx population was wiped out due to a disease.
The number of hare would increase due to fewer predators.
300
All the different populations that live in a certain area
Community
300
Trees
Biotic
300
A coyote eats the fruits from a cactus, spreading its seeds
Mutualism
300
A change in which an organism or species becomes better suited for its environment
Adaptation
300
Why might it be helpful for a scientist to track the population size of a species?
Answers vary.
-to determine human impact on environment
-monitor endangered species
-determine which limitations are needed for hunting
400
all the living and nonliving factors in a particular area
Ecosystem
400
Air temperature
Abiotic
400
A rat leaves behind burrows that the toad lives in
Commensalism
400
The maximum number of individuals that an ecosystem can support
Carrying Capacity
400
Describe how natural selection would impact a population.
The organisms best adapted to their environment survive and pass those adaptations on to offspring.
500
The process in which organisms better adapted to their environment survive and reproduce
Natural Selection
500
Water quality
abiotic
500
Cactus flowers are pollinated by a bee while the bee drinks the nectar
Mutualism
500
Anything that constrains a population's size and slows or stops it from growing
Limiting Factor
500
Give one possible reason why the deer population could decrease OTHER than predation.
Answers vary
-lack of resources
-disease
-human impact (hunting, etc.)