EVERYDAY SCIENCE

Detailed explanation-1: -This means two organisms are the same species if they can have offspring and those offspring can also breed and produce offspring. If the offspring cannot breed and produce offspring, then the original two organisms are classified as different species.

Detailed explanation-2: -Population: A population is a group of organisms of the same species that live in the same area at the same time. Population ecologists study the size, density, and structure of populations and how they change over time.

Detailed explanation-3: -Scientists have estimated that there are around 8.7 million species of plants and animals in existence. However, only around 1.2 million species have been identified and described so far, most of which are insects. This means that millions of other organisms remain a complete mystery.

Detailed explanation-4: -Organisms are classified by taxonomy into groups such as multicellular animals, plants, and fungi; or unicellular microorganisms such as protists, bacteria, and archaea.