Biodiversity Flashcards
Describe the principle by which we classify objects.
We group objects together that are similar in some way.
What is the name of the science of classifying living organisms?
Taxonomy
Name the 5 broad groups of living animals or kingdoms.
- Bacteria
- Protists
- Fungi
- Plants
- Animals
Name the Swedish naturalist who started the process of classifying all living things.
Carl Linnaeus
Use the mnemonic Keep Plates Clean Or Family Grows Sick to name the 7 classification levels.
- Kingdon
- Phylum
- Class
- Order
- Family
- Genus
- Species
Name the green pigment in plants.
Chlorophyl
Name the two phylum in the animal kingdom.
Vertebrates and invertebrates.
Name the phyla of animals that have a backbone.
Vertebrates
Name the phyla of animals that don’t have a backbone.
Invertebrates
Names the five classes of vertebrates.
- Fish
- Amphibians
- Reptiles
- Birds
- Mammals
What does it mean if an animal is cold-blooded?
It can’t control the temperature of its blood and so takes on the temperature of its surroundings.
Describe the phyla of invertebrates call Athropoda.
All have jointed legs and an exoskeleton e.g. insects, arachnids and crustaceans.
Describe the phyla Mollusca.
Soft-bodies animals like snails.
What two groups (phyla) is the plant kingdom divided into?
- Seed producing plants
2. Spore-producing plants
How do spore producing plants reproduce?
They produce spores which can develop into new plants.
Name the two groups (classes) that Seed-producing plants are divided into.
Angiosperms and Gymnosperms
How do angiosperms reproduce?
Using flowers which grow seeds inside them when fertilised.
How do gymnosperms reproduce?
They produce seeds in cones.
Name the two groups (orders) or angiosperms.
Monocotyledons and dicotyledons
What is the difference in the seeds of monocotyledons and dicotyledons?
mono contains 1 leaf in the seed and di contains 2.
What is the difference in the root system of monocotyledons and dicotyledons?
mono - adventitious root system of many branches
di - tap root deep into soil
What is the difference in the flowers of monocotyledons and dicotyledons?
mono - parts of flower arranged in multiples of 3
di - parts of flower arranged in multiples of 4 or 5
What is the difference in the stems of monocotyledons and dicotyledons?
mono - remains green and flexible
di - starts green/flexible but become hard and woody
What is the difference in the leaves of monocotyledons and dicotyledons?
mono - long leaves with parallel veins
di - different shaped leave with network of veins
