What does the nucleus of a cell do?
It controls the functions of the cell such as reproduction.
What does the cell membrane do?
It controls the substances that enter and leave the cell.
What is cytoplasm?
A jelly-like substance that fills the cell where chemical reactions happen.
What do vacuoles do?
Contain water and minerals which the organism needs in order to grow.
What 2 things do plant cells have which animal cells don't?
Cell walls and chloroplasts.
What are the 3 life processes which all living things perform?
Nutrition, reproduction and interaction.
What are the 2 main types of reproduction and how are they different?
Asexual reproduction occurs when only one organism is required. Sexual reproduction involves two animals of the same species; a male and a female.
What do decomposers feed on? Give two examples of decomposers.
Fungi and bacteria feed on the remains of dead plants and animals.
How to animals take in nutrients from their environment?
Feeding on other living things.
How to plants take in nutrients from their environment?
They produce their own food through photosynthesis.
What do red blood cells do? Why are they red?
Carry oxyen around the body. They are red because they contain hemoglobin, a bright red protein that contains iron.
What do white blood cells do?
Protect the body from bacteria, viruses and other foreign invaders.
What do nerve cells do?
Carry information from the brain to other parts of the body.
What do root hair cells do?
Absorb water and minerals from the soil.
What do leaf cells do?
Absorb sunlight so photosynthesis can take place.
What are tissues made up of? Give 2 examples of tissues.
Cells with similar stuctures and functions. Examples include muscle tissue and xylem.
