An organism obtains food, water, shelter, and other things it needs to live from this.
What is a habitat
100
The number of individuals in an area is called?
What is population density
100
The organism that eats and kills the prey is called what?
What is the predator
100
What is photosynthesis?
What is the process where plants use water, sunlight, and carbon dioxide to make food.
200
A group of organisms that are physically similar and can reproduce with one another is called what?
What is species
200
Name 3 biotic factors and 3 abiotic factors of a forest ecosystem
What is biotic (trees, mushrooms, fungi, squirrels, birds, owls, deer, bears, plants, etc) and abiotic factors (sun, soil, rocks, air, water)
200
The number of deaths in a population in a certain amount of time is called?
What is the death rate
200
The struggle between organisms to survive is called?
What is competition
200
True or False: A parasite lives on or inside its predator?
What is false. It lives on or inside its HOST.
300
What is the difference between immigration and emigration?
What is immigration means coming into a population and emigration means leaving a population.
300
Why are abiotic factors so important to an organism?
What is abiotic factors such as sunlight, water, or oxygen are so important to an organism because they help carry out their life process and help them survive.
300
Define what a limiting factor is and give an example of a limiting factor
What is an environmental factor that prevents a population from increasing (food, space, weather conditions)
300
The behaviors and physical characteristics of species that allow them to live successfully in their environment is called?
What is adaptations
300
In what type of relationship do both species benefit?
What is mutualism
400
All the living and nonliving things that interact in a particular area make up what?
What is an ecosystem
400
Put the following terms in order from smallest to largest: community, organism, ecosystem, population
What is organism, population, community, ecosystem
400
The largest population that an environment can support is called?
What is carrying capacity
400
Name the three major types of interactions.
What is competition, predation, and symbiosis.
400
True or False: A rise in birth rate while the death rate remains steady will cause a population to increase
What is true
500
A close relationship between species that benefits at least one of the species is called what?
What is symbiosis
500
Explain how a population and a community are different.
What is population is all of the members of a single specials in a particular area. Community is all the different populations that live together in an area
500
Name the four ways scientists can determine population size.
What is direct observation, indirect observation, sampling, and mark-and-recapture studies
500
Name the three types of symbiotic relationships
What is mutualism, commensalism, and parasitism
500
How is birth rate related to population size?
What is when the birth rate increases, population can increase. When birth rate decreases, population can increase. Both depend on death rate but population can increase or decrease based on a birth rate.