Bio e.g. questions 1

what is an example of growth and development

Growth: A baby gaining 5 lbs in six months

Development: A child moving from crawling to walking

Compare sexual and asexual reproduction.

asexual reproduction involves one parent and produces genetically identical offspring

sexual reproduction requires 2 parents and creates unique offspring

What is the difference between an independent and dependent variable?

independent variable is that cause, what you change

dependent variable is the effect

What are the steps of the scientific method?

question, research hypothesis, experiment, analyze, result

What are all the labels a good graph should include?

title, label x axis y axis

whats number one?

atom

2

macromolecule

3

cell

4

tissue

5

organ

6

organ system

7

organism

8

population

9

community

10

ecosystem

11

biosphere

Why can populations not grow forever?

every environment has a finite amount of space and resources

How can invasive species harm ecosystems?

They take over space, food and resources

Why are keystone species important?

They maintain structure stability and biodiversity in an ecosystem

What is the purpose of cellular respiration?

to extract energy from nutrients

Which organisms perform cellular respiration?

plants animals fungi and bacteria

How are photosynthesis and respiration connected?

they are complementary

Why do producers contain the most energy?

they are the original source of energy capture

what role do decomposers play in the ecosystem

act as Earth's recycling system

 Law of Conservation of Matter.

matter cannot be created or destroyed

1

DNA

2

mRNA

3

codon

4

anticodon

5

ribosome

6

trna

7

amino acid

8

protien

compare photo n cellular res

Photosynthesis creates and stores energy, whereas respiration releases and uses energy