3.1 - What is ecology?

Question 1

Cells

Answer 1

The smallest and most fundamental structural and functional units of life.

Question 2

Cell theory

Answer 2

Organisms may consist of a single cell or huge numbers of cells.
Atom → molecule → organelle → cell → tissue/muscle → organ → organ system → organism → population → community → ecosystem → biosphere

Question 3

Population

Answer 3

A group of individuals of the same species living in a particular place

Question 3

Eukaryotic Cell

Answer 3

A cell that has a membrane and has a distinct nucleus and organelles also surrounded by membranes.

Question 4

Prokaryotic Cell

Answer 4

A cell that has a membrane but no distinct nucleus and no other internal parts surrounded by membrane.

Question 5

Genetic Diversity

Answer 5

In most natural populations, individuals vary slightly in their genetic makeup, which is why they do not all look or act alike.

Question 6

Ecology

Answer 6

The study of how organisms interact with their living environment of other other organisms and with their nonliving environment of soil, water, etc.

Question 7

Habitat

Answer 7

The place where a population or an individual organism normally lives in

Question 7

(Biological) Community

Answer 7

consists of all the populations of different species that live in a particular place.

Question 8

Ecosystem

Answer 8

is a community of different species interacting with one another and with their nonliving environment of soil, water, other forms of matter, and energy, mostly from the sun.

Question 9

Biosphere

Answer 9

the parts of the earth’s air, water, and soil where life is found.