Classification. Flashcards
Define classification.
Classification is dividing things into groups according to their similarities/ characteristics.
What are non-living things called and state 7 examples?
Non-living are called inorganic e.g. plastic, metal, rocks, crystals, minerals, glass, or anything man-made.
What are living things called and what processes do they perform?
Living things are called organisms, and they perform the MRS GREN processes.
What does MRS GREN mean?
Movement.
Respiration.
Sensitivity.
Growth.
Reproduction.
Excretion.
Nutrition.
Living things are divided into 2 groups: Name them.
Living things are divided into 2 groups: plants and animals.
Animals are divided into 2 groups: Name them.
Animals are divided into 2 groups: Invertebrates and vertebrates.
Define invertebrates and give 4 examples of an invertebrate.
An invertebrate is an animal lacking a backbone e.g. insects, spiders, crabs, and worms.
Define vertebrate.
A vertebrate is an animal that has a backbone extending down the back of the body.
Vertebrates are divided into 5 subsections: Name them.
Vertebrates are divided into 5 subsections:
- Fish.
- Amphibians.
- Reptiles.
- Birds.
- Mammals.
Answer the following about fish: Body covers. Limbs. Breathing. Reproduction.
Body covers = slimy scales.
Limbs = no limbs/ but has fins.
Breathing = gills.
Reproduction = eggs laid in water.
Name 6 examples of fish.
Bream, bass, eels, tigerfish, sharks, and sea horses.
Answer the following about amphibians: Body covers. Limbs. Breathing. Reproduction.
Body covers = moist skin.
Limbs = two pairs of legs.
Breathing = lungs and breathe through their skin.
Reproduction = eggs laid in water.
Name 4 examples of an amphibian.
Frog, toads, salamanders, and newt.
Answer the following about reptiles: Body covers. Limbs. Breathing. Reproduction.
Body covers = dry scales.
Limbs = two pairs of legs.
Breathing = lungs.
Reproduction = soft-shelled eggs on land.
Name 3 examples of a reptile.
Lizards, crocodiles, and snakes.
