Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
|
Biodiversity
- Definition |
A measure of the number of species on the planet.
|
|
|
Species
- Definition |
A group of organisms that can interbreed under natural circumstances to produce fertile of spring.
|
|
|
Seven Taxonomic Groups
|
Kingdom
Phylum Class Order Family Genus Species |
|
|
Five Kindoms
|
Animal - fish, birds, reptiles, amphibians, mammals, invertebrates, annelids, arthropods.
Plant - ferns, mosses, conifers, flowering plants. Fungi - mushrooms Prokaryote (bacteria) - Algae, amoeba Protoctist - Escherichia coli |
|
|
(Phylum) Annelida
- Examples and characteristics |
Example - Worms
Segmented bodies, closed circulatory system, thin, permeable skin that is moist. |
|
|
(Phylum) Arthropoda
- Examples and characteristics |
Examples - Insects, crustaceans and arachnids.
Paired jointed legs, chitin exoskeleton, fluid filled body cavity, segmented body (head, thorax and abdomen), open circulatory system. |
|
|
Exoskeleton
- Advantages and Disadvantages |
Advantages - Protects internal organs, protection from predators, covered in wax reducing waterloss.
Disadvantages - Prevents growth so has to be shed in order for organism to grow. |
|
|
(Phylum) Chordata
- Examples and characteristics |
Examples - Fish, Amphibians, Reptiles, Birds and Mammals.
Vertebral Column, well developed CNS enclosed in a cranium, internal skeleton. |
|
|
Homologous Structure
|
Limbs that have a similar structure but serve a different function.
|
