How does being eaten cause populations to decline?
The act of eating another organism for food is called what?
Predation
What is the scientific term for a something that is considered living?
Biotic
When individuals share resources the tend to reproduce ________.
Less
A relationship between organisms of two species in which each organism benefits from the relationship is called what?
Mutualism
What is a decision matrix?
A systematic method to collect, organize, and evaluate the important features of each design solution.
A member of a species that eats other organisms is called a what?
Predator
What does the term abiotic refer to?
A non living thing
What do we call an interaction between organisms sharing a limited resource where both organisms are harmed?
Competition
Species are _________________ when they rely on mutualism to survive and reproduce.
Interdependent
What are the must-haves, restrictions, or limits on the solution called?
Constraints
An organism that is eaten by a predator is referred to as what?
Prey
After research, did we find that the temperature of the Illinois river was suitable or not suitable for the sport fish?
Suitable
When organisms share a limited resource it becomes __________ to collect resources needed to survive.
Harder
Mutualism can increase population growth if the interaction makes is _____________ for each population to gather resources and reproduce.
Easier
What are the characteristics that the team decides a good solution should meet called?
Criteria
The trend in the total number of individuals in a population. Populations can grow larger (increase in number) or they can grow smaller (decrease in number) is called what?
Population Growth
After research, did we find that the depth of the Illinois river was suitable for sport fish reproduction or not suitable?
Suitable
Some organisms are better competitors than others. They are better at collecting resources than others. This means they are harmed ________ by competition.
Less
Mutualism can sometimes decrease population growth. If two populations are interdependent and one declines, then _____________.
so will the other.
The importance values for all criteria should add up to a sum of what?
100
If the number of births in a population is greater than the number of deaths, the population will ____________.
Increase
We would expect to observe that if changes in the environment are outside the range where sportfish live it would cause sportfish populations to __________ because individuals are less likely to grow, survive, and reproduce.
Decline
The better competitors get more _______ and end up ____________ more.
resources/ reproducing
Name 2 ways that organisms can interact and both benefit.
Help gather resources
Find shelter
Avoid Predators
Reproduce
After assigning an importance value and rating for the criteria, how do you calculate the score?
Importance value x rating = score
Add all scores for a total score