1 Classification
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt Play1/22
There's no tags or description
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai |
|---|
No analytics yet
Send a link to your students to track their progress
23 Terms
What are the 7 characteristics of living organisms?
Movement respiration sensitivity growth reproduction excretion nutrition
Define movement
An action by an organism or part of an organism causing a change of position or place
Define respiration
Chemical reactions in cells that break down nutrient molecules and release energy for metabolism
Define sensitivity
Ability to detect and respond to changes in the internal or external environment
Define growth
Permanent increase in size and dry mass
Define reproduction
Processes that make more of the same kind of organism
Define excretion
Removal of waste products of metabolism and substances in excess of requirements
Define nutrition
Taking in of materials for energy growth and development
What is a species?
A group of organisms that can reproduce to produce fertile offspring
What is binomial naming?
An internationally agreed system in which the scientific name is made up of genus and species
Why are classification systems important?
They organise organisms and reflect evolutionary relationships
How can DNA be used in classification?
More closely related organisms have more similar DNA base sequences
What are the five kingdoms?
Animal plant fungus prokaryote protoctist
What are the features of mammals?
Hair or fur mammary glands lungs warm blooded give birth to live young
What are the features of birds?
Feathers beak wings lay hard shelled eggs warm blooded
What are the features of reptiles?
Dry scaly skin lungs leathery eggs cold blooded
What are the features of amphibians?
Moist skin eggs in water larvae and adults cold blooded
What are the features of fish?
Gills fins scales eggs in water cold blooded
What are the features of insects?
3 body parts 6 legs antennae usually wings
What are the features of arachnids?
2 body parts 8 legs no antennae
What are the features of crustaceans?
More than 4 pairs of legs hard exoskeleton gills
What are the features of myriapods?
Many body segments many legs
What are viruses made of?
Protein coat and genetic material