Biology 2a Summary

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Name five parts of a cell that both animals and plants have. Name three that only plants have
Nucleus,Cytoplasm,Cell Membrane,Ribosmes,Mitochondria
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Where is the genetic material found A)Bacterial cells B)Animal Cells
A)Cytoplasm B)Nucleus
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What is diffusion?
The spreading out of particles from an area of high concentration to an area of low concentration
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Name three substances that can diffuse through a cell membrane and two that can't
Can: Amino acids,oxygen,glucose,water Can't: Starch and proteins
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Give three ways that a palisade leaf cell is adapted for photosynthesis?
Chloroplasts, Large surface area to absorb CO2 and tall to pack them in at the top
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Give three ways that a sperm cell is adapted for swimming to an egg cell
Long tail,Streamlined,Enzymes,Mitochondria to provide energy
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What is a tissue? What is a an organ?
A tissue is a group of similar cells that work together to perform a function. An organ is a group of tissues that work to perform a function
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Give three examples of tissues in the human stomach and say what job they do
Muscular tissue which moves the stomach wall to churn up food. Glandular tissue which makes digestive juices. Epithelial tissue which covers the outside and inside of the stomach
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Name one organ system found in the human body
Digestive
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Give an example of a plant tissue and a plant organ
Tissue:Mesophyll, Xylem,Phloem,Epidermal Organ: Stems roots leaves
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What is the equation for photsynthesis
Carbon dioxide+Water=Glucose+Oxygen
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What is the green substance in leaves that absorbs sunlight?
Chlorophyll
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Name the three factors that can limit the rate of photosynthesis
Light, temperature and CO2
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Explain why it's important that a plant doesn't get too hot
The enzymes it needs for reactions will be damaged
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What three things can a gardener do to make sure she grows a good crop of tomatoes?
Light, Parffin heater, fertilisers, water
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Why is glucose turned into starch when plants need to store it for later?
Because it's insoluble so it's better for storing
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What are the four other ways plants can use glucose for?
Respiration, Cell walls, proteins, stored in seeds
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What is a habitat?
A place where an organism lives
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Give five environmental factors that can affect the distribution of organisms?
Temperature,Water,Oxygen and Carbon Dioxide,Nutrients,Light
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How can you find out how common an organism is in two areas with a quadrat?
Count,Repeat,Workout,Repeat,Compare
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Describe on way of using a transect to find out how an organism is distributed across an area?
Mark out a line then collect the data by counting all the organisms of interest. They can be placed next to each other along the line or at intervals
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Other cards in this set

Card 2

Front

Where is the genetic material found A)Bacterial cells B)Animal Cells

Back

A)Cytoplasm B)Nucleus

Card 3

Front

What is diffusion?

Back

Preview of the front of card 3

Card 4

Front

Name three substances that can diffuse through a cell membrane and two that can't

Back

Preview of the front of card 4

Card 5

Front

Give three ways that a palisade leaf cell is adapted for photosynthesis?

Back

Preview of the front of card 5
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