Finals Semester 1

Question 0

How many variables should there be in a scientific experiment?

Answer 0

1

Question 1

What is the first step of the scientific method?

Answer 1

Write question or problem

Question 2

What is the most appropriate measurement to measure the distance from GCJHS to Indianapolis?

Answer 2

Kilometers

Question 3

What type of graph would you create if you wanted to show how the population of elephants has changed over time?

Answer 3

Line graph

Question 4

What is ecology?

Answer 4

Scientific study of all living things in their environment

Question 5

What does an ecosystem consist of?

Answer 5

Organisms, dead matter, food, water, biotic and abiotic factors, community of organisms, energy, weather

Question 6

What is the difference between producers and consumers? Give an example of each

Answer 6

Producers- make their own food (Sunflowers)

Consumers-eat other animals and other consumers (Lions)

Question 7

What is the difference between a food chain and a food web?

Answer 7

Food chain is only one (Flows through ecosystem)

Food web is multiple food chains (Flows through environment)

Question 8

What is the difference between herbivores, carnivores, and omnivores?

Answer 8

Herbivores- eat plants
Carnivores-eat meat
Omnivores-eat both

Question 9

In a food web which type of organism received energy from every other type?

Answer 9

Decomposer

Question 10

How many trophic levels can be in an ecological energy pyramid?

Answer 10

Levels are limited by amount of energy lost at each level

Question 11

If an animal becomes extinct, what effect would it have on its predators?

Answer 11

The predators population will go down and die out

Question 12

Define succession

Answer 12

When one thing replaces another

Question 13

How does ecosystem disruption affect biodiversity?

Answer 13

It can kill an entire ecosystem

Question 14

Which of the following processes is not primarily caused by humans? Air pollution, the greenhouse effect, thinning of the ozone layer, or increased carbon dioxide levels.

Answer 14

Greenhouse effect

Question 15

How did humans affect the carbon cycle?

Answer 15

They produce more Carbon than needed, burn fossil fuels, and we breathe air

Question 16

When an organism dies what happens to the nitrogen in its body?

Answer 16

It is released by the action of decomposers

Question 17

How could the kudzu cause problems for the native species in the United States?

Answer 17

It takes away sunlight, food, and water from the plant

Question 18

What would happen if decomposers were removed from ecosystem?

Answer 18

Nutrients would never be recycled

Question 19

Give an example of parasitism, commensalism, and mutualism.

Answer 19

Parasitism-ticks
Commensalism- fishies on sharkies
Mutualism-bees and flowers

Question 20

Define zone of tolerance

Answer 20

The level of tolerance animals can stand (Anything best fit for survival)

Question 21

Define limiting factor and give examples of limiting factors

Answer 21

Resources that are scarce- food, water, space

Question 22

Which macromolecule provides energy?

Answer 22

Carbohydrates

Question 23

Why is a high body temperature dangerous?

Answer 23

It can damage cells and enzymes do not work

Question 24

Which element forms many of the complex chain and ring molecules to make carbohydrates and lipids?

Answer 24

Carbon

Question 25

Which macromolecule do cells use for high-energy bonds?

Answer 25

Lipids

Question 26

Which class of biological molecule includes enzymes in the structures that determine most observable traits in living things?

Answer 26

Protein (Protein = Enzymes)

Question 27

Which characteristic of an enzyme is generally most important to its function?

Answer 27

The shape of Active site

Question 28

Which elements are used in making most of the organic molecules in living organisms?

Answer 28

Carbon, hydrogen, and oxygen

Question 29

How is the shape of an enzyme related to its function?

Answer 29

Specific enzyme fits a specific substrate (Like lock and key)

Question 30

How does this even get the matter he needs to build itself and its body?

Answer 30

Eating food that contains proteins

Question 31

How does an enzyme influence of biological reaction?

Answer 31

The amount of activation energy needed is lowered

Question 32

Amino acids are the building blocks of which macromolecule?

Answer 32

Protein

Question 33

An organism's genetic information is stored in which type of macromolecule?

Answer 33

Nucleic acids and DNA

Question 34

What substance on the plasma membrane helps identify kennel signals from outside the cell?

Answer 34

Carbohydrate chains

Question 35

When looking at a cell how can you determine if it is a bacteria, plants, or animal cell?

Answer 35

Size, shape, vacuole, and cell wall

Question 36

What is the major difference between facilitated diffusion and active transport?

Answer 36

Facilitated diffusion-high to low (passive transport) | Active transport-uses the energy to move substances

Question 37

A glance I was placed in a hypotonic solution. what will happen to the plant cell?

Answer 37

Swell

Question 38

What types of materials are expelled from cells during exocytosis?

Answer 38

Hormones and large particles

Question 39

What is the ultimate energy source driving the biogeochemical cycles?

Answer 39

Sunlight

Question 40

What is the primary function of DNA?

Answer 40

Stores genetic information

Question 41

What is the nucleus's function

Answer 41

Stores DNA

Question 42

Function of the cell (plasma) membrane

Answer 42

Allows certain substances to pass through

Question 43

Function of mitochondria

Answer 43

Energy production

Question 44

Function of the lysosome

Answer 44

Cleans up cell

Question 45

Function of the vacuole

Answer 45

Stores food and water

Question 46

Nucleolus's function

Answer 46

Forms ribosomes

Question 47

Function of the Golgi apparatus

Answer 47

Packages proteins and ships out of cell

Question 48

Function of ribosome

Answer 48

Site of protein synthesis

Question 49

Function of the chloroplast

Answer 49

Produces food using energy from the sun

Question 50

How is energy stored in mitochondria?

Answer 50

ATP

Question 51

If a cell contains membrane-bound organelles, what type of cell is it?

Answer 51

Eukaryotic

Question 52

Cells have a 0.9% NaCl concentration. What would happen to a cell placed in pure water?

Answer 52

Swell

Question 53

What process would allow a very large molecule to move into a cell

Answer 53

Endocytosis

Question 54

What are cilia and flagella used for

Answer 54

Locomotion and feeding

Question 55

Explain the function of an enzyme and describe how it accomplishes it

Answer 55

Speeds up activation energy needed to speed up a chemical reaction by fitting a substrate into an enzyme in an active site

Question 56

Compare and contrast plant and animal cells

Answer 56

``` Alike- - have nucleus - have cell membrane Different- -plant cell has cell membrane - plant cell is circular and animal cell is round ```

Question 57

Describe consequences of zebra muscles in nonnative species

Answer 57

Have no natural predator so they use resources needed for native species to survive