Biology End Of Year 9

Question 1

Population

Answer 1

All the living spiesies living in a habitat

Question 2

Community

Answer 2

The population of diffebt species living in a habitat

Question 3

Ecosystem

Answer 3

A community of animals plants and microorganisms together with the habitat

Question 4

Mutualism

Answer 4

Both benefit

Question 5

Communalism

Answer 5

One benefit other unharmed

Question 6

Parasitism

Answer 6

One benifit in harmed

Question 7

How to calculate a population using a quadrat

Answer 7

Find mean
Find multiplication factor (area of field /area of 1 quadrant)
Mean times multiplication factor

Question 8

Photosynthesis equation

Answer 8

Carbon +water=glucose

Question 9

Decay equation

Answer 9

Glucose +ooxyge. =carbon dioxide +water

Question 10

Combustion equation a

Answer 10

Fuel plus water equals carbon dioxide plus water

Question 11

Compoud

Answer 11

When two or more diffent atoms are chemically bonded together

Question 12

Element

Answer 12

An element is a pure substance consisting of only one type of atom, characterized by a specific number of protons in its nucleus.

Question 13

Conservative of mass

Answer 13

The products of a reaction must be the same mass as the reactants

Question 14

Who discovers the plum podding model

Answer 14

Jj Thompson

Question 15

Who did the gold foil experiment

Answer 15

Ernest ruthford

Question 16

What did the gold foil test show

Answer 16

Discovered nuculus
Atom mostly empty space with positive charge in centre

Question 17

Who discovered the neutron

Answer 17

Chadwick