Term 1 exam study cards

Question 1

ENdothermic

Answer 1

the animal makes its own heat

Question 2

Ectothermic

Answer 2

Animal obsorbs heat from it surroundings

Question 3

What does the CNS have in it?

Answer 3

The brain and spinal cord

Question 4

what does the pns have in it?

Answer 4

the nerves that branch out from the brain and spinal cord, forming the communication network between the Central Nervous System (CNS) and the rest of the body, and is further divided into the somatic and autonomic nervous systems.

Question 5

Stomatic?

Answer 5

Controls voluntary muscle movements and receives sensory information from the body.

Question 6

Autonomic Nervous System:

Answer 6

Function: Regulates involuntary bodily functions like heart rate, breathing, digestion, and blood pressure.

Question 7

Environment

Answer 7

the surroundings or conditions in which a person, animal, or plant lives or operates.

Question 8

Ecosystem

Answer 8

all the biotic and abiotic factors and all abotic and abiotic things in an environment

Question 9

Habbitat

Answer 9

where 1 species lives

Question 10

Be able to recognise the interdependence of living things in an ecosystem and the biosphere

Answer 10

this is when 2 specices relaytionship whwre each existion afffect the others survival

Question 11

3 examples of biotic factors

Answer 11

Competition, predation, parasitisum

Question 12

3 examples of abiotic factors

Answer 12

fire, water , soil types

Question 13

Explain hiw abiotc and bitoc factos affect an orgaisums survival

Answer 13

abiotic: water is a solvent if all cells
biotic: predations keeps the food chain running

Question 14

8. Be able to classify an adaptation as structural, behavioural or functional

Answer 14

Structural- build extra part
Behaural – habbits changing to help them survive
Functional – they way the body works, doesn’t require continuous thoughts

Question 15

Brain stem use?

Answer 15

Vital functions

Question 16

Cerebellum use?

Answer 16

coordination and balance

Question 17

Types of receptors

Answer 17

Mechanoreceptors, Photoreceptors, Thermoreceptors
Chemoreceptors

Question 18

Cerebrum use?

Answer 18

concious thoughts, volontary movements

Question 19

Natural impacts on ecosystems?

Answer 19

droughts, floods

Question 20

human impacts on ecosystems

Answer 20

intoduced speices, overcropping, chemical pesticides

Question 21

Part of nerons that recive the impulse?

Answer 21

dendrites

Question 22

Chemical between neurons?

Answer 22

Neurotransmitters

Question 23

2 types of neurons?

Answer 23

Motor, sensory

Question 24

What do motor neurons do?

Answer 24

They carry the messages from the brain to the muscles

Question 25

What do sensory neurons do?

Answer 25

they carry messsgaes to the brain/ spinal coird, the impulse comes form the sensoe organs

Question 26

what are effectors?

Answer 26

effectors are muscles or glands that put the nerve impulse into action.

Question 27

what is the space betwen neurons called

Answer 27

the synapse

Question 28

Types of nerro trans mitters? (clue: there is 8)

Answer 28

adreniline (fight or flight) noraadreniline (oppisite to adrniline) dopamine (happy/ pleasure) seratonin (mood) gaba (calming) acetycholine (learning) glutamine (memory) endorphins (after stress )

Question 29

what is the brain stem called?

Answer 29

medula

Question 30

what links the nervous system and the endocrine system?

Answer 30

the hypothalomus

Question 31

hwat are hormones?

Answer 31

chemicals

Question 32

what is homeostasis?

Answer 32

Homeostasis works with temprature, water salt levels and glucose, this work is constant (fact; home= controlls the home/body)

Question 33

what happens when you have high blood sugar

Answer 33

Your pacrase detects thre high blood sugars, it releses INSULIN, this makes the muscels and liver to take the sugars from the blood and turn it into GLYGOGEN (which is stored in the liver)

Question 34

What happens when you have low blood sugar?

Answer 34

Pancrease detects the low blood suagers, ti releses the hormone GLUCAGON, this hormone causes the suager GLYCOGEN to be transformed back into GLUCOSE/ SUGARS and is released into the blood

Question 35

Community def?

Answer 35

all the differnt populations of organisums

Question 36

what is a trophic level?

Answer 36

The position an organism occupies in a food chain

Question 37

Herbivore?

Answer 37

feed on prducers

Question 38

carnivore

Answer 38

feed on herbivore

Question 39

scavenger

Answer 39

consume carrion, dead fleash

Question 40

detrivore

Answer 40

donsume detrius, small particals of dead plants or animals

Question 41

decomposer

Answer 41

break down dead animals an dplants

Question 42

parasites

Answer 42

live and feed on host organisums

Question 44

Photosynthisis equation

Answer 44

carbon dioxide + water + light energy → glucose + oxygen