Biology Exam

Question 1

Role of axon?

Answer 1

Carries impulses away from the cell body

Question 2

Neuron part that receives signals

Answer 2

Dendrites

Question 3

What brain structure overseas heart rate and breathing?

Answer 3

Brain stem

Question 4

coordination and balance are from what brain region?

Answer 4

cerabellum

Question 5

Which part of the brain stores memories

Answer 5

the hippocampus

Question 6

The gap where neurons communicate by releasing chemicals Is…

Answer 6

Synapse

Question 7

Which lobe is visual processing?

Answer 7

Occipital lobe

Question 8

variable measured name?

Answer 8

dependent

Question 9

variable manipulated in experiment?

Answer 9

independent variable

Question 10

how do keystone species affect their ecosystems?

Answer 10

They control populations of other species and uphold biodiversity.

Question 11

what abiotic factor could influence species distribution in the seregeti?

Answer 11

rain

Question 12

range in species found within ecosystem is…

Answer 12

diversity

Question 13

scientific term for an areas living components?

Answer 13

biotic components

Question 14

all individuals of one species in an area is…

Answer 14

population

Question 15

difference between food webs and food chains is that…

Answer 15

food webs are more complex

Question 16

what does resilience mean for an ecosystem?

Answer 16

ability to resist disturbances

Question 17

inference definition

Answer 17

a conclusion based on evidence

Question 18

where does the dependent variable go on the graph?

Answer 18

y axis

Question 19

Peripheral Nervous System

Answer 19

sending information from different areas of your body back to your brain,

Question 20

Central Nervous System

Answer 20

controls how we think, learn, move, and feel.

Question 21

Dendrites

Answer 21

to receive information from other neurons, called pre-synaptic neurons,

Question 22

Myelin Sheath

Answer 22

allows electrical impulses to transmit quickly and efficiently along the nerve cells

Question 23

Axon

Answer 23

carry electrical impulses that are the means of communication within the brain and between the brain and the rest of the body.

Question 24

Axon Terminals

Answer 24

the ends of axons which transmit messages to other cells via use of neurotransmitters at synapses

Question 25

Nerve impulse

Answer 25

an electrical signal that travels along a nerve fiber- transmits a record of sensation

Question 26

Depolarization

Answer 26

the cell undergoes a shift in electric charge distribution- less negative charge inside the cell compared to the outside

Question 27

Synapse

Answer 27

one neuron sends a message to a target neuron—another cell.

Question 28

Brain Stem

Answer 28

breathing, heart rate, and blood pressure, and the nerves and muscles used in seeing, hearing, walking, talking, and eating.

Question 29

Cerebellum

Answer 29

controls balance for walking and standing

Question 30

Cerebrum

Answer 30

initiates and coordinates movement and regulates temperature

Question 31

Hypothalamus

Answer 31

to keep your body in a stable state called homeostasis.

Question 32

Amygdala

Answer 32

center for emotions

Question 33

Hippocampus

Answer 33

responsible for your memory and learning.

Question 34

Occipital Lobe

Answer 34

visual perception

Question 35

Temporal Lobe

Answer 35

managing your emotions,

Question 36

Parietal Lobe

Answer 36

touch, taste, and temperature.

Question 37

Frontal Lobe

Answer 37

social skills, and helps you understand and control how you talk, behave and interact with others.

Question 38

Neurotransmitter

Answer 38

carry chemical signals (“messages”) from one neuron (nerve cell) to the next target cell.

Question 39

Brain Learning Pathways

Answer 39

the connections in our brain

Question 40

mortality factor

Answer 40

environmentall factors

Question 41

niche

Answer 41

the position of a species within an ecosystem,

Question 42

biomass

Answer 42

the mass of living biological organisms in a given area or ecosystem at a given time.

Question 43

abiotic factor

Answer 43

a non-living part of an ecosystem that shapes its environment

Question 44

biome

Answer 44

an area classified according to the species that live in that location.

Question 45

primary consumer

Answer 45

animals that eat plants

Question 46

secondary consumers

Answer 46

meat eaters

Question 47

trophic cascade

Answer 47

powerful indirect interactions that can control entire ecosystems

Question 48

trophic level

Answer 48

a level or a position in a food chain, a food web, or an ecological pyramid.