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Biology 1 year 8 > Biology Unit 1 > Flashcards

Biology Unit 1 Flashcards

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1
Q

What is the name of grouping together different organisms?

A

Classification

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2
Q

What is the importance of grouping organisms together?

A

So the species won’t be in a big mess, making it hard to find a species when we need to…

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3
Q

What is a vertebrate?

A

An animal with a backbone.

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4
Q

What are the names of the 5 groups of vertebrates?

A

mammal, fish, birds, reptiles, amphibians

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5
Q

What are the different features of fish

A

Fish: have wet scales, live in water, have fins to move, breathe using gills

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6
Q

What are the key features of vertebrates?

A

They have a backbone.

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7
Q

What is the meaning of the word invertebrate?

A

An organism without a backbone.

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8
Q

What are the names of the 8 or 11 main invertebrate groups?

A 
Arthropods
Molluscs/Mollusks
Echinoderms
Cnidarians
Sponges
Annelids
Flatworms
Roundworms
Underneath arthropods:
crustaceans
insects
arachnids
Myriapods (centi and millipedes)
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9
Q

What are the features of: Arthropods (crustaceans, insects, arachnids, centipedes and millipedes)

A

jointed legs
bodies in sections
thick, hard exoskeleton

Crustaceans: 5-7 pairs of legs, chalky shell,they might have pincers
Insects: 3 PAIRS of legs, body in 3 sections,2 pairs of wings attached to thorax, compound eyes(i dun think that bit will be on the test though-aw)
Arachnids: 4 PAIRS of legs, body in 2 sections
Myriapods: Many pairs of legs, many body sections

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10
Q

What are the features of: Molluscs

A

Fleshy muscle for moving

Example: Snail

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11
Q

What are the features of: Echinoderms

A

Bodies in five parts, spiny outer covering

Example: Starfish

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12
Q

What are the features of: Cnidarians

A

Thin, sack like bodies, tentacles

Examples: Jellyfish, coral

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13
Q

What are the features of: Sponges

A

Bodies of loosely joined cells
can someone put an example?-aw
nope, can’t find any that aren’t in latin -hoi

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14
Q

What are the features of: Annelids

A

round worm-like bodies, bodies in sections

Examples: ragworms, earthworms, leeches

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15
Q

What are the features of: Flatworms

A

Flat, worm-like bodies

Example: Tapeworms

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16
Q

What are the features of: Roundworms

A

Thin, round, wormlike bodies, with no sections

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17
Q

What is the meaning of the word arthropod?

A

An invertebrate animal with jointed legs, and bodies in sections.

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18
Q

What groups are arthropods divided into?

A

Insects, crustaceans, arachnids and Myriapods

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19
Q

okay in the target sheet the next questions are:

Know how to spot differences/similarities between organisms.

A

IDK i’m too lazy to write a whole essay on how you do that.

SKIN COLOR, TEXTURES, HABITATS

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20
Q

What are grouping similar organisms called?

A

Classification

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21
Q

What features are useful for grouping organisms and which are not?

A

USEFUL:Body covering, eggs or not

NOT USEFUL: idk, do they poop rainbows

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22
Q

How do you use and produce dichotomous keys?

A

Those are the:
Does the bird have a long leg?
Yes—————————–No
Yes: it is a this No: Does it poop rainbows?
Yes——————————————No
Yes: It is not a unicorn
no: it is not a unicorn

23
Q

What is variation?

A

a change or slight difference in condition, amount, or level, typically within certain limits.
(Varying features in a certain species)

24
Q

Where does variation occur?

A

IN EVERY SPECIES I THINK

25
Q

What are the names of areas where organisms are found?

A

Habitat/ecosystem

26
Q

Know that organisms are adapted to where they live

A

THIS IS AN ANSWER

27
Q

How are some organisms adapted to living in different habitats?

A

Figure this out yourself.
Examples:
Long fur in cold environments.

28
Q

What are some adaptations for living in hot and dry, cold and underwater areas?

A

Hot and dry: long ears to lose heat, short fur

Cold: Long fur, layer of fat (it’s not blubber), small ears to conserve heat.

29
Q

What changes happen in an environment?

A

Daily changes: Temperature change, amount of light

Seasonal: Temperature, amount of light, wind, amount of water.

30
Q

How do organisms respond to daily changes?

A

Sleep at night, open flowers in different times, sleep in the morning, stuff like that.

31
Q

How do plants respond to seasonal changes?

A

Protect buds, shed leaves

32
Q

What are the meanings of the words predator, prey, herbivore and carnivore?

A

Predator: An animal that preys on others.
Prey: An animal that is hunted and killed
Herbivore: Only eats plants
Carnivore: Only eats meat
Omnivore: Eats both plants and meat

33
Q

What are some adaptations of predators?

A

Long legs to run faster, sharp claws, teeth, beak, better senses (eyesight, scent, hearing) camouflage?

34
Q

What are some adaptations of prey?

A

Camouflage, better senses, long legs to run faster.

35
Q

How are animals adapted to their source of food?

A

bees and butterflies have long tongues to suck nectar

big cats have sharp teeth, sharp claws, good senses

36
Q

What do food chains and webs show?

A

What organism eats what, and what it is eaten by
Flow of energy
(Thx aw, that’s really important)

37
Q

What are the words used to describe the different levels in a food chain?

A 
Producer
Consumer
Predator
Top predator
(or you can say all the primary, secondary and tertiary stuff if you want)
38
Q

What equipment is used for sampling?

A

Quadrat, sweep net, pooter

39
Q

What are some sampling methods?

A

Use a Quadrat to ‘cut out’ a piece of ground in a habitat and note how many organisms live in that habitat

40
Q

How do you estimate population sizes?

A

Take some measurements about how many organisms live in a particular area using a quadrat. Get an average number then yup k.

41
Q

How do people study habitats?

A

IDK

if it comes up in the test just write the sampling stuff.

42
Q

How do you follow instructions? IDK WHY IT WAS ON THE TASKSHEET

A

i don’t think i can tell you that btw this was on the task sheet YOU JUST FOLLOW IT PPLL snoopy out

43
Q

How do you use a quadrat?

A

A quadrat is a square that can be placed randomly over an area so plants can be counted
Also it’s Lara’s Necklace

44
Q

How do you sample randomly?

A

Turn to page 92 of ur workbook im not gonna write it here takes too much effort

45
Q

What are the features of amphibians?

A

Amphibians: Moist skin, lay eggs in water, eggs coated in jelly

46
Q

What are the features of birds?

A

Birds: Feathers, eggs have a hard shell, warm blooded, have wings

47
Q

What are the features of mammals?

A

Mammals: Hair, give birth to live young, produce milk, warm blooded (4 limbs, have ears- i dont think that will b in the test but yea- aw)
waaaaaaaaaaaaaait 4 limbs? dolphins: 2 flippers, 2 sides of tail? -hoi

48
Q

What are the features of reptiles?

A

Reptiles: Dry scales, eggs have a leathery waterproof shell,cold blooded

49
Q

How do animals respond to seasonal changes?

A

Hibernate in winter, wake up in summer, shed fur in summer and winter, migrate…Hibernate in winter, wake up in summer, shed fur in summer and winter, migrate…

50
Q

How do you spell our teachers name?

A

Lucilla Lau

YES YOU NEEDED TO KNOW THIS YOU MIGHT NEEDA WRITE IT

51
Q

What does ‘relationship’ mean?

A

How one thing effects another

52
Q

What does it mean for two animals to be in the same ‘species’?

A

They can breed

53
Q

What does the word Species mean?

A

An organism that can reproduce and give rise to fertile offspring.

Biology 1 year 8 (2 decks)

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