biology 2

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  • Created by: eimeart
  • Created on: 11-03-15 20:30
What are the human excretory organs?
Lungs, skin and kidneys
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What do kidneys do?
They filter the blood and remove urea and salts
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What's the urinary system?
Urine passes from the kidneys through the ureters, bladder and urethra.
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Whats a ligament?
Join bone to bone
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What is cartilage?
acts as a shock absorber between bones
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What's synovial fluid?
It acts as a lubricant
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What are tendons?
Join muscle to bone
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What is the central nervous system
The central nervous system consists of the brain, the spinal chord and the nerves
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What are motor nerves?
They carry messages away from the brain
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What are sensory nerves?
The carry messages to the brain
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What does the eye consist of?
The eye contains the corneas, lens, pupil, iris, optic nerve and ciliary muscle
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How many chromosomes in a cell?
46
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What is a chromosome?
Chromosomes are thread-like structures which are located in the nucleus of a cell. Chromosomes are made of protein and DNA.
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What is an example of biotechnology in industry
Examples of biotechnology in industry include using bacteria to make cheese and yoghurt, and using yeast to make alcohol
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What is an example of biotechnology in medicine?
Examples of biotechnology in medicine include using bacteria to make antibiotics (e.g. penicillin) and to make hormones (e.g. insulin).
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What is ecology?
Ecology is the study of the relationships of living things with one another and their environment.
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What is competition
Competition is where organisms compete for a resource that is in short supply. Plants compete for light and water, animals compete for shelter and mates.
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What is interdependence?
Interdependence is when organisms depend on each other for food or another resource. Insects rely on plants for food and the plant relies on the insect for pollination.
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What is adaption
Adaptation is when an organism changes in order to be better suited to survive in its habitat.
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Name instruments used in a habitat study?
A pooter, a pitfull trap, a beating tray, a quadrat, a line transect
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What's the word equation for photosynthesis?
The word equation for photosynthesis is : Carbon Dioxide + Water (Light + Chlorophyll) = Oxygen + Glucose
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What is needed in plant reproduction?
The male part of a plant is called the stamen. It consists of the anther and the filament.The female part of the plant is called the carpel. It consists of the stigma, style and ovary.
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What are the stages of plant reproduction?
The five stages of reproduction are pollination, fertilisation, seed formation, seed dispersal and germination
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What is needed for germination?
The three things needed for germination are water, oxygen and heat.
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How does water move through a plant?
Water and minerals move through the plant in xylem vessels
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How does food move through a plant?
Food travels through the plant in phloem vessels.
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What is transpiration?
Transpiration is the loss of water through the leaves of a plant.
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Other cards in this set

Card 2

Front

What do kidneys do?

Back

They filter the blood and remove urea and salts

Card 3

Front

What's the urinary system?

Back

Preview of the front of card 3

Card 4

Front

Whats a ligament?

Back

Preview of the front of card 4

Card 5

Front

What is cartilage?

Back

Preview of the front of card 5
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