Q.1.
Living organisms such as humans and animals constitute which parts of the ecosystem?

The ecosystem can be divided into two parts – biotic and abiotic. Biotic components include all the living forms, such as humans and animals.

Q.2.
Which part of the Earth supports life?

All ecosystems on the Earth are collectively known as the biosphere. The entire zone of life on earth is a part of the biosphere. Another term for the biosphere is the ecosphere.

Q.3.
Non-living parts of the environment such as soil, water, and sunlight constitute which part of the ecosystem?

The ecosystem can be divided into two parts: biotic and abiotic. Abiotic components include all the non-living components such as water, air, and sunlight.

Q.4.
What do we call the natural environment in which an organism lives?

The natural environment in which an organism lives and can exist is called its habitat. The habitat of animals may be land, air, or water depending upon their physical structure and needs for survival.

Q.5.
Every year birds travel a long distance to get warm, then return when the weather changes. How is this process called?

Birds often move from one region to another during weather changes. This regular seasonal movement is called the migration of birds.

Q.6.
A terrestrial ecosystem is located where?

The ecosystem present on land, including all the biotic as well as abiotic components, is called a terrestrial ecosystem. There are six major terrestrial ecosystems on the Earth.

Q.7.
By what name is the variety of life present in an ecosystem known as?

The variety of life present in an ecosystem of known as biodiversity. All forms of life on earth are a part of biodiversity.

Q.8.
To which trophic level do the primary consumers belong?

The primary producers are at the second trophic level of the food web pyramid. Plants and algae are Level 1 as they make their own food and are called producers.

Q.9.
The relationship between humans, living organisms, and their physical environment is called?

The study of the relationship between living organisms, including humans and their physical environment, is called ecology. It is also the study of adaptations and life processes.

Q.10.
What is the ultimate source of energy for every ecosystem?

The ultimate source of energy for every ecosystem is the sun. For example, we derive energy from plants that derive energy from the sun through photosynthesis.