Shw Flashcards
(28 cards)
Bioaccumulation
A process of chemicals that accumulate in organism that takes place if the rate of intake is faster than the rate of excretion
Pyramid of numbers
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.
Pyramid of biomass
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
Dry mass
To find the dry mass of an organism you have to remove all the water from the organism
Trophic levels
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).
Types of predators in a food chain
Producer, primary consumer, secondary consumer, tertiary consumer, quaternary consumer
Arrows in a food chain or a food web
Aroows always piont in which way the energy is transferring
Biomagnification
Any concentration of a toxin in the tissue of an organism in high levels of the food chain
Adaptation
A characteristic that allows an organism to survive in the environment. Examples might be fur/fat, hump of fat, snout, wings and ultrasonic pulses
Cactus spikes
I rolled up leaves and H2O is much harder to evaporate or dribble down because the leaves are all rolled up
Biodiversity
A variety of organisms in a habitat/world
Flowchart of blood
Vena Cava ➡️ right atrium➡️right venteicle ➡️pulmonary artery ➡️lungs➡️ pulmonary vein➡️left atrium➡️left ventricle➡️aorta➡️body
Fatty foods
Too much fatty foods increase risk of heart stroke or heart related conditions
Fat build up inside arteries
Fat can build up inside arteries creating a small loom in the blood takes longer and it’s harder for it to past through
Left side of the heart
Left side of the heart is always stick up because it pumps blood to the body more pressure is generated
Deoxygenated blood
The right side of the heart contains deoxygenated blood
Blood vessels
Arteries veins and capillaries
Arteries
Luminous small can expand, has a muscular layer very thick wall, no valves, it can recoil
Veins
Large lumen, no muscular layer,thin thickness of walls , has valves, doesnt recoil
Capillaries
Very small lumen, width of a cell, no muscular layer, very thin thickness, no valves, doesn’t recoil
Blood components
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%
Asthma
Chronic lung disorder, causes airways to become inflamed, meaning they swell and produce lots of thick mucus
Diffusion
The movement of particles from an area of high concentration to an area of low concentration
Haemoglobins
Haemoglobins or essential for transferring oxygen into the blood from the lungs
