Final Exam Semester 1

Question 1

What is the difference between a qualitative and quantitative observation?

Answer 1

Qualitative-color, features

Quantitative-number data

Question 2

What are the 8 characteristics of living things?

Answer 2

1. Reproduces sexually or asexually
2. have DNA (based on universal genetic code)
3. made of cells
4. Use energy
5. Grow and develop
6. Homeostasis
7. Evolve over time

Question 3

What is homeostasis?

Answer 3

Keeping a stable internal environment

Ex: buffers

Question 4

What are the levels of organization of living things?

Answer 4

Cells 
Tissues 
Organs
Organ systems
Organisms
Species
Populations
Communities
Ecosystems
Biomes
Biospheres

Question 5

What does ecology mean?

Answer 5

The study of interactions between organisms and their environment

Question 6

What is an ecological footprint?

Answer 6

The total are of functioning land and water ecosystems needed both to provide the resources an individual uses and to absorb/make harmless their wastes

Question 7

What are the 3 kinds of variables in an experiment?

Answer 7

Dependent-what changes (results)
Independent-what you change
Controlled-what you keep the same to isolate the independent variable