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Flashcards in CLASSIFICATION Deck (41)
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1

What are the characteristics of living organisms ?

MOVEMENT
RESPIRATION
SENSITIVITY
GROWTH
REPRODUCTION
EXCRETION
NUTRITION

2

Definition of MOVEMENT

An action by an organism or a part of an organism causing a change in position or place

3

DEFINITION RESPIRATION

the chemical reactions that break down nutrient molecules in living cells to release energy for metabolism

4

Definition SENSITIVITY

The ability to detect or sense stimuli in the internal or external environment and to make appropriate responses.

5

Definition GROWTH

A permanent increase in size and dry mass by an increase in cell number or cell size or both

6

DEFINITION REPRODUCTION

The process that makes more of the same kind of an organism

7

DEFINITION EXCRETION

The removal from organisms of toxic materials, the waste products of metabolism and substances in excess of requirements

8

Definition NUTRITION

the taking in of materials form energy, growth, and development; plants require light, carbon dioxide ,water and ions; animals need organic compounds and ions and usually need water

9

What is METABOLISM

Metabolism is a series of processes that control how your body uses energy

10

Define SPECIES

A species is defined as a group of organisms that can reproduce to produce fertile offsprings

11

What is the sequence of classification of LINNAEUS'S SYSTEM OF CLASSIFICATION

KINGDOM
PHYLUM
CLASS
ORDER
FAMILY
GENUS
SPECIES

King Philip Came Over For a Good Spaghetti

12

What is MORPHOLOGY
What is ANATOMY

Morphology- overall form and shape of their bodies
Anatomy - the detailed body structure determined after dissection

13

Full form of DNA

Deoxyribonucleic acid

14

What is DNA?

DNA is the chemical from which chromosomes are made. It is the genetic material passed on from generation to generation.

15

What is DNA made of?

DNA molecule is made up of strings are smaller molecules, containing four different bases. The bases, called A, C, G and T.

16

What makes two species more closely related in terms of DNA?

The more similar the basic sequences in the DNA of two species, the more closely related those two species are

17

What are the cell structures that all the cells of living organisms contain?

Cytoplasm
Cell membrane and
DNA as a genetic material (either found in the nucleus or free inside of cytoplasm).
Also
Ribosomes ( for protein synthesis)
Enzymes ( for respiration)
FOUND WHEN BOTH VIEWED UNDER ELECTRON MICROSCOPE

18

Write cell structures that are only found in a typical plant cell?

Chloroplasts
Cell wall
Permanent vacuole

19

What are the five Kingdoms?

Animals
Plants
Fungi
Protoctists
Prokaryotes

20

What are the main features of all animals?

Multicellular
Their cells contain a nucleus but no cell wall or chloroplasts
The feed on organic substances made by other living things

Note: do not forget to look at the diagrams in the book

21

What are the main features of all plants ?

Multicellular
The cell contains a nucleus, chloroplasts and cellulose cell walls
They all feed by photosynthesis

22

Recall the main features of all fungi. Also give examples?

Usually multicellular
Have nuclei
Cell walls- not made of cellulose
Do not have chlorophyll
Do not photosynthesise- feed by saprophytic (on dead or decaying material) or parasitic (and living material) nutrition

Examples-mushrooms, yeast, moulds

23

Write down the main features of all protoctists. Also give examples

Unicellular or multicellular
Have nucleus
May or may not have cell wall and chloroplast
Some feed by photosynthesis and others feed on organic substances made by other living things.

- amoeba, paramecium and plasmodium

24

Main features of prokaryotes.
-give examples

Often unicellular
Have no nucleus
Has cell walls not made of cellulose
Have no mitochondria
examples- bacteria and blue/green algae

25

Write down three features of viruses

1.Viruses are not considered living things
2. They do not carry out Seven Life processes , instead they take over a host cells metabolic pathways in order to make multiple copies of themselves
3. Virus structure is simply genetic material (RNA or DNA) inside a protein coat

26

What are vertebrates and right the five classes of vertebrates.

All words vertebrates have a backbone.

Mammals
Birds
Reptiles
Amphibians
Fish

27

Write down the main features of mammals

Fur/hair on skin
Have placenta
Young feed on milk from mammary glands
Endothermic
Heart has four Chambers
Have different types of teeth

28

Write down the main features of birds.

Skin covered in feathers
have two legs and a pair of wings
Lays hard shelled eggs
Have a beak
Heart has four Chambers

29

What are the main features of reptiles and give examples

Dry, fixed scales on skin
Lays rubbery shelled eggs on land

Examples- snake,turtle

30

Main features of amphibians and give examples

Smooth moist skin
Adults usually live on land-have lungs, Larvae (tadpoles) lives in water-have gills
Eggs laid in water without shells

Examples-frog, toad