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WorksheetsPopulations Unit test
Total questions: 26
Worksheet time: 7hrs 30mins
A population is...
A bunch of different type of organisms in one area
A group of one type of organism
All of the living an nonliving things in an area
A large type of environment
The amount of organisms being born in a certain amount of time is the
Birth Rate
Death Rate
Population Growth
Population Decay
The amount of organisms dying in a certain amount of time is called the
Birth Rate
Death Rate
Population Growth
Population Decay
If the birth rate is higher than the death rate, the population will (a) .
Disease causes
Population growth
Extreme population growth
Population decrease by getting organisms sick
Population decrease by eating organisms
If a disease is running through a population, the population won't all die out completely because some organisms in the population will have
Stability
An adaptation
A mutation
Immunity
(a) is when animals move into a new area, and emigration is when animals move out of an area.
Why might an animal move out of an area?
To go to place with more Resources
To go to a place that has fresh air
There was too little competition there
To go somewhere cheaper to live
What are some resources animals might need in order to survive? Name 1.
How do natural disasters affect populations? Name 2 natural disasters.
What is carrying capacity?
The maximum amount of animals an area can support.
How much animals can fit on the planet
How many animals can breed together
How many animals can raise young together
Population Density is...
How many trees are in a forest
How many organisms can fit into different sized areas
How much land is available for a population
How many organisms are in a particular area, and how crowded they are together
Which area has the highest population density of people in 1 square mile?
New York City , NY
York, PA
Red Lion, PA
Hanover, PA
When organisms compete against one another for resources, it is called,
Survival of the fittest
Hunting and gathering
Competition
Consuming
Intraspecific competition is when organisms of the same species compete against one another for the same resources. But when different species of organisms compete for the same resources, it is called...
Ultra Competition
Interspecific Competition
Intro Competition
Interceptive Competition
What is a limiting factor? Give at least one example
All organisms go through a circle of life, what is typically the beginning stage for organisms?
Egg, or birth stage
Adolescent Stage
Mature Stage
Death or dying stage
Which stage in the circle of life are organisms old enough to reproduce?
Egg or birth stage
Adolescent Stage
Mature Stage
Death or dying Stage
During the death and dying stage in the circle of life, what happens to the dead organism? (Think back to previous units)
The organism's energy is eaten by decomposers and scavengers
The organism comes back to life
The organism stays in the state it died in
The organism gets eaten by larger animals
A break or malfunction in an organism's DNA is known as a (a) .
What do mutations USUALLY cause?
Extra muscles
Body defects
Good adaptations
superpowers
Mutations can be good or bad, give an example of how mutations can be a good thing and how mutations can help an organism survive?
When an organism's traits are very well suited for its environment, the organism is highly
Mutated
Competitive
Adaptive
Draw an example of an organism being very well fit in its environment. (Survival of the fittest.)
Organisms that are not the most fit in an environment will naturally die off, what is this process called?
Mutation
Survival of the Fittest
Adaptation
Natural Selection
A mutation must happen in order for an organism to adapt to the new environment.
True
False
