Shared Flashcard Set

Details

Biology - B2
Revision
16
Biology
10th Grade
06/02/2011

Additional Biology Flashcards

 


 

Cards

Term
What is an invertebrate?
Definition
An animal with no back bone.
Term
What is an ecosystem?
Definition
A community of animals, plants and micro-organisms, together with the habitat where they live.
Term
What is produced by photosynthesis?
Definition
Carbon dioxide and water,
are converted into...
Glucose and oxygen.
Term
What is glucose used for?
Definition
The glucose is converted into starch, fats and oils for storage. Then used to make cellulose for cell walls and proteins for growth and repair.
Term
How does photosynthesis happen?
Definition
A chemical reaction between light energy, which is absorbed by a green substance called chlorophll.
Term
What are 4 things animals compete for?
Definition
Food
Water
Space
Mates.
Term
What are 4 things plants compete for?
Definition
Light
water
space
mineral salts.
Term
Why do polar bears have sharp claws and teeth?
Definition
For catching and eating prey.
Term
Why do polar bears have fur on the souls of their feet?
Definition
For better grip on the ice and for insulation.
Term
Name 1 way a fossil is made?
Definition
Impressions such as foot prints can be covered by layers of sediments, which eventually turns to rock, so preserving the casts.
Term
What are 2 problems caused by human population growth?
Definition
Increases the use of fossil fuels and minerals.
Creates more pollution and waste.
Term
What is an environment?
Definition
All the conditions that surround a living organism.
Term
Where does photosynthesis take place?
Definition
In the leaves, which contain chloroplasts - tiny objects that contain chlorophyll.
Term
Name 4 ways in which camels have adapted to fit into there surroundings?
Definition
Large feet - To spread the load on sand.

Tolerant to high body temp - Does not need to sweat to keep cool, so conserving body water.

Hump containing fat - A store of energy without insulating the whole body

Bushy eyelashes and hair-lined nostrills that can close - stops sand getting into the eyes and nose.
Term
What is mutualism?
Definition
Mutualism is when both organisms benefit from each other.
Term
What are Lichens?
Definition
A fungus, usually of the class Ascomycetes, that grows symbiotically with algae.
Supporting users have an ad free experience!