Examining Diversity

Question 1

How many species of plants have been identified by biologists?

Answer 1

More than 350,000 species of plants

This highlights the rich variety of plant life.

Question 2

What is a species?

Answer 2

A group of organisms that have the same structure and can reproduce with one another

This definition is essential for classifying living organisms.

Question 3

What do biologists estimate the number of kinds of organisms existing today to be?

Answer 3

Between 30 million and 100 million kinds of organisms

This estimate indicates the vast unexplored biodiversity on Earth.

Question 4

What are the common characteristics shared by all living things?

Answer 4

• Made of cells
• Need energy
• Grow and develop
• Reproduce
• Have adaptations for their environment

These characteristics define life and help differentiate living organisms from non-living matter.

Question 5

Fill in the blank: All living things are made of _______.

Answer 5

cells

Cells are the basic unit of life.

Question 6

True or False: All life forms require energy to survive.

Answer 6

True

Energy is essential for all biological processes.

Question 7

Fill in the blank: Living organisms have adaptations that suit them for their _______.

Answer 7

environment

Adaptations help organisms survive and thrive in their habitats.