Biology SOL #7

Front

What is a dichotomous key?

Back

A dichotomous key is a tool that allows the identification of organisms through a series of choices that lead the user to the correct name of a given item.

Front

What is the significance of mating behaviors in species classification?

Back

Mating behaviors can indicate reproductive isolation, which is a key factor in determining whether two populations belong to different species.

Front

What is variation within a population?

Back

Variation refers to the differences in traits among individuals in a population, which can affect survival and reproduction.

Front

What is the role of nerve cell branches?

Back

Nerve cell branches, or dendrites, help the cell communicate with other cells by receiving signals.

Front

What constitutes a scientific experiment?

Back

A scientific experiment is a structured procedure carried out to test a hypothesis by manipulating variables and observing the effects.

Front

What is natural selection?

Back

Natural selection is the process by which organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is the difference between a hypothesis and a theory?

Back

A hypothesis is a testable prediction, while a theory is a well-substantiated explanation of an aspect of the natural world.

Front

What is the importance of environmental resources in population dynamics?

Back

Environmental resources are limited, which can lead to competition among individuals in a population, influencing survival and reproduction.

Front

What is the concept of species producing more offspring than can survive?

Back

This concept suggests that not all offspring will survive due to limited resources, leading to natural selection.

Front

What is the definition of a population in biology?

Back

A population is a group of individuals of the same species living in a specific area at the same time.