- In natural selection, individuals whose unique characteristics are well-suited for an environment tend to survive and produce more offspring.
- When a snake kills a shrew, the shrew is the
- If an area has all the wolves that it can support, the wolf population has reached its Choose... biotic potential carrying capacity density .
- If animals cannot find enough places to build nests, it is because Choose... space food water is a limiting factor for the population.
- If foxes arrive in an area and catch and eat a large number of rabbits, the foxes are causing an increase in the birth rate of the rabbit population.
- An organism gets food, water, shelter, and other things it needs to live, grow, and reproduce from its
- The nonliving things that interact with an organism are called biotic factors.
- Three coyotes per square kilometer is an example of population density.
- Oxygen is an abiotic factor in the environment that is important for plants to make their own food.
- Sunlight can be a limiting factor for populations of plants.
- Which of the following lives in a prairie ecosystem?
- The size of a population increases if the number of individuals added to the population is equal to the number of individuals leaving the population.
- Which of the following lists the levels of an ecosystem in order from largest to smallest?
- What is the difference between sand silt and clay soils?
- Immigration means moving out of a population.
- Which of the following is a biotic factor?
- Plants lose _________ from their leaves through the process of transpiration.
- What mineral particles of soil have the greatest influence on soil texture and workability?
- The study of how living things interact with each other and their environment is called ecology.
- All the organisms that live in a particular area and their nonliving surroundings make up an ecosystem.