B17-ecology

Question 1

What is classification

Answer 1

Classification is the way in which living things (organisms) are grouped according to features (characteristics) that they have in common.

More recently classification of organisms is based on DNA analysis.

Question 2

Who was Carl Linnaeus

Answer 2

Classified organisms into 5 kingdoms (based on their structures and characteristics).

He also developed the binomial naming system.

Linnaeus classified living things into: kingdom, phylum, class, order, family, genus and species.

Question 3

Who was Carl Woese

Answer 3

Due to DNA evidence there is now a different classification system developed by Carl Woese. In this system, organisms are divided into 3 domains

Question 4

What are the three domains of the three domain classification

Answer 4

Archaea: primitive bacteria usually living in extreme environments

Bacteria: true bacteria

Eukaryota: includes protists, fungi, plants and animals.

Question 5

What are the kingdoms of the three domain classification

Answer 5

Archaea = archeabacteia

Bacteria = EU bacteria

Eukaryota = protesta , fungi, plants and animals

Question 6

What does the acronym to remember the classification of organisms

Answer 6

Does - Domain
Kevin - Kingdom
play - Phylum
clarinet - class
or - Order
flute - Family
good - Genius
sound - specious

Question 7

What is species

Answer 7

A group of similar organisms that can interbreed to produce fertile offspring

Scientist carry out a DNA test to consider which species an organism belongs to

Question 8

What’s the meaning of ecology

Answer 8

The branch of biology that studies organisms and their relationships with the living and nonliving environment in which they live

Question 9

How is the earths ecology organised

Answer 9

Biosphere 
biomass 
ecosystem 
community 
population 
individual

Question 10

Is an ecosystem

Answer 10

Is the interaction of a community of living organisms with the nonliving organisms part of their environment

Question 11

What is biotic organism

Answer 11

Living organism

Question 12

What is an abiotic organism

Answer 12

A nonliving organism

Question 13

What is the meaning of interdependence

Answer 13

Within a community each species depend on other species

Question 14

What is a stable community

Answer 14

A stable community is a community where all the species and environmental factors are balanced

Question 15

Why do animals and plants compete

Answer 15

Animals and plants have to compete for limited resources the best adapted animals or plants will win and survive

Question 16

What do animals compete for

Answer 16

Food

Water

Mates

Area

Question 17

What do plants compete for

Answer 17

Space

Minerals

Carbon dioxide

Light

Question 18

What are producers

Answer 18

Are plants or cyanobacteria

Question 19

How does a food chain look

Answer 19

Producer

primary consumer

secondary consumer

Question 20

What processes release carbon from the atmosphere

Answer 20

Respiration

Combustion

Decomposition

Question 21

What processes take in carbon

Answer 21

Photosynthesis

Eating plants

Question 22

What are the steps in the carbon cycle

Answer 22

Carbon is released into the atmosphere by respiration and combustion

Carbon dioxide is absorbed by produces to make carbohydrates in photosynthesis

Animals eat other animals and plants pass on carbon dioxide in this way

Animals and plants release energy from glucose in respiration. This also releases carbon dioxide into the atmosphere

When animals and plants died they decompose and carbon is released back into the soil

Stored carbon in the ocean is known as a carbon sink

Question 23

What are the stages of the water cycle

Answer 23

Evaporation-water vapour evaporate from bodies of water into the atmosphere

Transpiration-water vapour evaporates from the stomata in leaves to the atmosphere

Respiration-releases water vapour into the atmosphere

Condensation-water vapour rises and cause then condenses back into liquid droplets forming clouds

Precipitation-as water droplets in clouds get heavier they start to fall as rain snow or hail

Question 24

What is biodiversity

Answer 24

Is the variety of all the different species of organisms on earth within an ecosystem

Question 25

What are the types of pollution

Answer 25

Water-with sewage

Air pollution - with the release smoke and gases such as sulphur dioxide and carbon dioxide which contributes to acid rain

Land pollution-with toxic chemicals such as pesticides and herbicides which may be washed from the land into water and landfills

Question 26

Are humans affecting biodiversity on Earth

Answer 26

Pollution

Deforestation

Misuse of land

Global warming

Question 27

How are people miss using land

Answer 27

Building houses

Farming

Quarrying

Landfills

Question 28

What are the biological concerns of global warming

Answer 28

Loss of habitats-low living areas are flooded

Change in distribution of species-due to temperature/rainfall pattern change

Change in migration patterns-migration patterns of birds insects and mammals could change due to climate change

Reduced biodiversity-due to climate change organisms may not be able to survive change

Question 29

How can we improve biodiversity

Answer 29

Captive breeding programs

Ban on certain hunting methods such as whaling

Reduction of deforestation and carbon dioxide emissions

replanting Woodlands after cutting them down