Shw

Question 1

Bioaccumulation

Answer 1

A process of chemicals that accumulate in organism that takes place if the rate of intake is faster than the rate of excretion

Question 2

Pyramid of numbers

Answer 2

Pyramid of numbers is how many there are they can look like diamonds triangles or upsidedown triangle is the producer will always be at the bottom.

Question 3

Pyramid of biomass

Answer 3

Pyramid of biomass how much energy/mass there is. It shows the flow of energy. Pyramid of biomass will always look like a pyramid the producer goes at the bottom

Question 4

Dry mass

Answer 4

To find the dry mass of an organism you have to remove all the water from the organism

Question 5

Trophic levels

Answer 5

Trophic levels represent each level in a food chain, trophic level one which is a producer then trophic level two (the animal that eats the producer) then trophic level three ,(the animal that eats the animal that ate the producer).

Question 6

Types of predators in a food chain

Answer 6

Producer, primary consumer, secondary consumer, tertiary consumer, quaternary consumer

Question 7

Arrows in a food chain or a food web

Answer 7

Aroows always piont in which way the energy is transferring

Question 8

Biomagnification

Answer 8

Any concentration of a toxin in the tissue of an organism in high levels of the food chain

Question 9

Adaptation

Answer 9

A characteristic that allows an organism to survive in the environment. Examples might be fur/fat, hump of fat, snout, wings and ultrasonic pulses

Question 10

Cactus spikes

Answer 10

I rolled up leaves and H2O is much harder to evaporate or dribble down because the leaves are all rolled up

Question 11

Biodiversity

Answer 11

A variety of organisms in a habitat/world

Question 12

Flowchart of blood

Answer 12

Vena Cava ➡️ right atrium➡️right venteicle ➡️pulmonary artery ➡️lungs➡️ pulmonary vein➡️left atrium➡️left ventricle➡️aorta➡️body

Question 13

Fatty foods

Answer 13

Too much fatty foods increase risk of heart stroke or heart related conditions

Question 14

Fat build up inside arteries

Answer 14

Fat can build up inside arteries creating a small loom in the blood takes longer and it’s harder for it to past through

Question 15

Left side of the heart

Answer 15

Left side of the heart is always stick up because it pumps blood to the body more pressure is generated

Question 16

Deoxygenated blood

Answer 16

The right side of the heart contains deoxygenated blood

Question 17

Blood vessels

Answer 17

Arteries veins and capillaries

Question 18

Arteries

Answer 18

Luminous small can expand, has a muscular layer very thick wall, no valves, it can recoil

Question 19

Veins

Answer 19

Large lumen, no muscular layer,thin thickness of walls , has valves, doesnt recoil

Question 20

Capillaries

Answer 20

Very small lumen, width of a cell, no muscular layer, very thin thickness, no valves, doesn’t recoil

Question 21

Blood components

Answer 21

Red blood cells carry oxygen and have a biconcave shape- 44%
Plasma keeps components in suspension it is the liquid part of blood containing hormones proteins and salts- 55%
White blood cells protect against pathogens, produce antibodies provide a long life protection- 1%

Question 22

Asthma

Answer 22

Chronic lung disorder, causes airways to become inflamed, meaning they swell and produce lots of thick mucus

Question 23

Diffusion

Answer 23

The movement of particles from an area of high concentration to an area of low concentration

Question 24

Haemoglobins

Answer 24

Haemoglobins or essential for transferring oxygen into the blood from the lungs

Question 25

Aerobic resporation

Answer 25

Oxygen + glucose = carbon dioxide + water + energy

Question 26

Anerobic respiration

Answer 26

Glucose➡️lactic acid

Question 27

Waste products

Answer 27

CO2 which is slightly acidic
Excess heat
Sweat
Urine and faeces

Question 28

What is combustion

Answer 28

The burning of fuel in oxygen