1.Classification Flashcards

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1
Q

What are the five kindoms?

A

Plants, animals, fungi, bacteria, protozoa

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2
Q

Ho many phyla is the animal kingdom split into to?

A

7, one vetebrate phylum, but rest 6 phyla have no backbones (invertebrates)

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3
Q

After phyla…

A

Class, order, family, genus, species

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4
Q

What are the 2 largest kingdoms?

A

Plant and animal kingdoms

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5
Q

Why is classification so useful?

A

Because it can reflect evolutionary relationships and also for identification.

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6
Q

How do you write the genus and species names?

A

In Italics and Genus has a capital letter at start.

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7
Q

Classification?

A

The organisation of living organisms into groups, based on shared features, with the aim of reflecting evolutionary relationships.

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8
Q

Species

A

A group of interbreeding organisms that produce fertile offspring.

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9
Q

Hybrid

A

A sterile cross between two separate species.

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10
Q

The evolutionary relationship between organisms is called?

A

Phylogeny

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11
Q

What makes organisms likely to be related?

A

If they have similar base sequences in their DNA.

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12
Q

What did traditional classification look at?

A

Morphology(shape/ structure) and anatomy of organisms.

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13
Q

Mitochondrian(s)

A

Site of aerobic respiration

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14
Q

Where does Protein synthesis take place in a cell?

A

Ribosomes

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15
Q

What contains digestive enzymes?

A

Lysosomes

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16
Q

What do virus particles have?

A

A protein coat and genetic material within them. Also spikes on outside.

17
Q

Exoskeleton

A

A rigid covering for the body in some invertebrate animals, especially arthropods.

18
Q

Spores

A

A dormant, reproductive cell formed by certain organisms. They are capable of spreading and reproducing by themselves.

19
Q

What is used to identify an organism from a group of organims by asking a series of questions?

A

Dichotomous key

20
Q

Hierachy

A

Refers to the classification system we use when large groups are sub-divided into smaller and smaller groups with no overlap between the groups.

21
Q

Monocotyledons

A

These are flowering plants where the embryo has a single seed leaf and the leaves are long and thin with veins that are parallel.

22
Q

Dicotyledons

A

The flowering plant where the embryo has two seed leaves and the leaves vary greatly in shape and their veins form a large network.

23
Q

MRS GREN?

A

Movement
Respiration
Sensitivity

Growth
Reproduction
Excretion
Nutrition

24
Q

Nutrition

A

Taking in organic substances and mineral ions to provide raw materials for growth and tissue repair.
These are absorbed and assimilated.
Plants require CO2, light,water and ions.
Animals need organic material and ions and usually water.

25
Q

Movement

A

An action made by the organism or part of the organism causing a change in position or place.
We need movement as it means we can exercise to keep body fit.

26
Q

Respiration

A

The chemical reaction that breaks down nutrient molecules in living cell to release energy for metabolism.
We need respiration as it is a way that energy is released from glucose, for our cells to keep us functioning.

27
Q

Sensitivity

A

The ability to detect changes in the internal/external environment and to make the appropriate responses.
It allows living organisms to detect and react towards surroundings.

28
Q

Growth

A

The permanent increase of size and dry biomass by an increase in cell number or cell size or both.
To make room for larger organs and muscles.

29
Q

Reproduction

A

Process that make more of the same kind of organism.

It enables them to create offspring continuing their population and key to their survival.

30
Q

Community

A

All of the populations of all species in an ecosystem.

31
Q

Population

A

A group of organisms of 1 species, living in the same area, at the same time.

32
Q

Ecosystem

A

A unit containing the community of organisms and their environment, interacting together.

33
Q

Ecology

A

The study of living organisms in relation to their environment, and both biotic and abiotic factors can affect such an environment.

34
Q

What do all living organisms depend on their environment for?

A

Supply of food.
Shelter from undesirable physical conditions.
Breeding sites.

35
Q

Another name for a producer?

A

Autotroph

36
Q

Another name for a primary consumer?

A

Heterotroph