Classification Flashcards

You may prefer our related Brainscape-certified flashcards:
0
Q

Why do we classify things?

A

Classifying things into groups makes them easier to remember, describe and identify.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Define classify.

A

Sorting items into groups.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What do you call a scientist that specialises in classification?

A

Taxonomists

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the seven levels used to classify living things?

A
Kingdom
Phylum
Class
Order
Family
Genus
Species
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Who designed the classification system that we use today?

A

Carl Linnaeus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the features of a living organism?

A
Respond
Respire
Assimilate
Grow
Excrete
Reproduce
(Move)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is an example of a living organism responding to it’s environment?

A

Humans shiver when it’s cold.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is respiration?

A

A process in which most living things get their energy from. It is a chemical process where glucose reacts with oxygen to form carbon dioxide and water. Animals get the glucose for respiration through the food they eat, plants get the glucose for respiration through photosynthesis.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Define assimilate.

A

Take in and process substances.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is it called when living things get rid of waste.

A

Excrete

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are two types of dichotomous keys?

A

A branching key and a tabular key.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How many choices are there in a dichotomous key?

A

Two

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

How do you read a circular key?

A

Start in the centre of the circle and by choosing one of the options on each layer move outwards.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is an example of bilateral and radial symmetry?

A

Bilateral: Face
Radial: Jellyfish

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Do humans have an endoskeleton or an exoskeleton?

A

Endoskeleton

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are the 8 phyla in the invertebrate kingdom?

What characteristics do they contain?

A
  • Arthropods: segmented body, exoskeleton
  • Echinoderms: spiny skin, radial symmetry, two openings
  • Molluscs: shell, soft body, unsegmented
  • Cnidarians: stinging tentacles, hollow soft body, marine, no organs, one opening
  • Porifera: spongy body, no organs, marine
  • Platyhelminthes: flat worms, has only mouth
  • Annelids: segmented worms, obvious head
  • Nematodes: round unsegmented worms, parasitic, two openings
16
Q

Give an example of each phyla of invertebrates.

A
Arthropods - Cockroach
Echinoderms - Sea Urchin
Molluscs - Snail
Cnidarians - Jellyfish
Porifera - Bath Sponge
Platyhelminthes - Tapeworm
Annelids - Earthworm
Nematodes - Heartworm
17
Q

What are the 5 divisions of plants?

A
Angiosperms - flowering plants
Gymnosperms - conifers and cycads
Ferns
Algae
Bryophytes - mosses and liverworts