chapter 1 Flashcards
(27 cards)
What’s biodiversity
Diversity of organisms
Why does biodiversity exist
Diversity of habitat and climate
Types of invertabrates
Without legs and with legs
Types of invertebrates without legs
Without segmented body
With segmented body
Types of invertebrates with legs
Three pairs of legs
More than three pairs of legs
Examples of invertebrates with segmented body
Tapeworm
Earthworm
Leech
Examples of invertebrates without segmented body
Sea sponge
Sea anemone
Corals
Planaria
Snail
Examples of invertebrates with three pairs of legs
Ant
Butterfly
Cockroach
Examples of invertebrates with more than three pairs of legs
Spider
Prawn
Horseshoe crab
Centipede
Scorpion
Types of vertebrates
Fish
Amphibians
Reptiles
Birds
Mammals
Characteristics of fish
Poikilothermic
Covered in hard and slimy scales
Have fins and tail
Breathe through gills
Lay eggs
Undergo external fertilization
Characteristics of amphibians
Poikilothermic
Live on land and in water
Has moist skin
Young amphibians breathe through gills
Adult amphibians breathe through lungs and moist skin
Produce jelly like eggs (spawn) without shell
Undergo external fertilization
Characteristics of reptiles
Poikilothermic
Produce eggs with shell
Breathe through lungs
Have scales and hard skin
Undergo internal fertilization
Characteristics of birds
Homeothermic
Has feathers to maintain body temperature
Breathe through lungs
Have wings that help some birds to fly
Have scaly feet
Undergo internal fertilization
Produce eggs with hard shell
Characteristics of mammals
homeothermic
covered with fur/hair
breathe through lungs
undergo internal fertilisation
give birth and nurse their young
Classes of plants
non-flowering
flowering
types of non-flowering plants
moss
fern
conifer
vascular plants
fern
conifer
non-vascular plants
moss
how does moss reproduce
produces spores
how do ferns reproduce
produces spores
how does conifer reproduce
bearing cones
types of flowering plants
have monocotyledon
have dicotyledon
characteristics of monocotyledonous plant
one cotyledon
fibrous root
leaves with parallel veins
non-woody stem
