Diversity of Life - Review

Biodiversity is a measure of _______.

• the variety of species and number of organisms in an area

• the diversity of environmental factors in an area

• the quality of organisms in a certain area

• the quality of life in a habitat

Biodiversity is a measure of _______.

• the variety of species and number of organisms in an area

• the diversity of environmental factors in an area

• the quality of organisms in a certain area

• the quality of life in a habitat

Click on all of the following that explain why a cell is considered the basic unit of life.

• all life is made of one or more cells

• all cells can survive on their own

• cells are the smallest units that still exhibit all the characteristics of life

• everything on Earth is made of cells

The cells in this image of the microscope's field of view are most likely from a(n) ________.

• bacterium

• plant

• protist

• fungus

The arrow is pointing at a cell structure. The function of the structure is to _________.

• turn food into usable energy

• contain the cell's DNA

• regulate the production of proteins

• provide rigid structure and protection for the cell

Aerobic cellular respiration (CR) ___________.

• gets rid of waste made by cells

• happens mostly in muscle cells

• turns food into glucose molecules in cells

• turns glucose into usable energy in cells

The purpose of photosynthesis is to make _______.

• sugar(s)

• new leaves for a plant

• usable energy for animals

• light

Click on all of the following that explain the differences between how unicellular and multicellular organisms carry out the functions of life.

• multicellular organisms use organ systems to carry out the functions of life

• single-celled organisms carry out all life functions on their own

• individual cells from multicellular organisms cannot survive on their own while unicellular organisms can

Most seeds germinate and start to grown in the dark. Why don't they need light right away?

• the embryo stores food the plant needs to start growing

• the cotyledon stores food the plant needs to start growing

• the roots store food the plant needs to start growing

• seeds photosynthesize to make the food the plant needs to start growing

Why is an elodea cell not considered an organism, but a paramecium cell is?

• elodea is a plant

• paramecium is a protist

• elodea cells cannot survive on their own, but paramecium cells can

• paramecium cells are the only ones that do the characteristics of living things