Classification Flashcards

(31 cards)

1
Q

Name the 5 kingdoms

A

Plant
Animal
Bacterial
Fungi
Single celled

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2
Q

What is the name of the classification categories describe how the organisms are classified

A

Kingdom
Phylum
Class
Order
Family
Genus
Species

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3
Q

Define vertebrate

A

Animal with a backbone

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4
Q

Define invertebrate

A

Animal without a backbone

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5
Q

Why do scientist use the binomial system to name organisms

A

Avoid confusion and universal

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6
Q

What classification categories are used in the scientific name

A

Genus
Species

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7
Q

List all the adaptations that make polar bears suitable for their habitats

A

White fur- camouflage to hunt prey and hide from prey
Black skin- absorb heat
Small ears- reduce surface area so less heat is lost
Thick fur-keep warm at temp below 0
Claws- to grip on the ice
Furry soles- insulates feet and stops it from slipping

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8
Q

What resources do animals need to survive

A

Water
Food
Shelter
Mate

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9
Q

Name the competition where different species compete against each other

A

Interspecific compition

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10
Q

Name the compition where the same species are competing against each other

A

Intraspecific compition

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11
Q

Define biodiversity

A

Number of different species in a particular area

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12
Q

Why is biodiversity important

A

Maintains the balance of the ecosystem
Provides biological resources such as drugs
Social benefits helps human wellbeing

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13
Q

How can endangered species be protected

A

SSIs, zoos cites
Sperm and seed banks
National park
Laws

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14
Q

How do you avoid bias when placing a quadrat

A

Use a random place generator

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15
Q

WHAR assumptions must be made in capture/ recapture

A

No birth/death
No migration/emigration
Marks aren’t toxic and shouldn’t make them vulnerable to predator

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16
Q

How are plants classified

A

Flowering and non flowering

17
Q

Define the term classification

A

Organising living organisms into groups

18
Q

Define the term competition

A

Interaction between species for limited resources

19
Q

State 4 resources animals compete for

A

Shelter
Food
Water
Mate

20
Q

State 4 resources plants compete for

A

Water
Light
Space
Minerals

21
Q

Explain why birds migrate

A

Nesting locations
Areas of high resources

22
Q

Explain what it’s meant by the term hibernation

A

An animal metabolism slows down breathing slows and heart rate fails to help survive the winter they also eat heavily in summer and autumn to store fat

23
Q

Define the term adaptions

A

A characteristic that enables the organisms to survive in a particular environment

24
Q

State and explain the adoptions of a camel

A

Hump- for storing food/fat
Long lashes- keep sand out of eyes
Stretchy nostrils- to keep out sand
Leathery mouth- ear spiky plants
Long legs- keep camel off hot sand to keep cool
Padded feel- stop sinking
Fur- to keep warm at night and to camouflage

25
State and explain and adoption of a cactus
Spikes- reduces moisture loss and protects from predators Fleshy stem- soak up lots of water Thick waxy skin- reduce Transpiration Long roots- to search for underground water Shallow roots- collect water when it rains Rapid life cycle- grows quickly when it rains Bulbs- stores water
26
What are quadrats used for
Estimate the population size of a species by sampling
27
Describe a method to estimate the number of daises in a field
1 randomly place quadrats in a field ( left hand corner) 2 count the number of daises in the quadrats 3 repeat 10 times 4 calculate the mean of daises in the quadrat 5 times the mean by the area of the field
28
WHAR tow things MUST you do when using a quadrant
Always place in left hand corner Only found organisms that are 50% more inside the quadrat
29
What is the equation for capture/ recapture
1st sample x 2nd sample divide by how many were marked
30
Define a mutation
A random change in the sequence of DNA
31
Define survival of the fittest
Having an advantage over other organisms allowing you to survive