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Unit 4 Variation and classification (Ken) - Coggle Diagram
Unit 4 Variation and classification (Ken)
Plants
mosses
it reproduce by spores structure.
its leaves is called thin leaf.
conifers
it have cones containing seed for reproduction.
its leaves is called needles.
flowering plants
its leaves is called leaf.
reproduce by flowers.
ferns
it reproduce by the spores on the back of frond.
its leaves is called frond.
Species
Breeding
when same species breed with each other, their offspring is fertile which means it can reproduce.
when two different species breed with each other, their offspring are hybrids(infertile) which means it can not reproduce.
Naming species
Human's latin name is called "Homo Sapiens" Which means "Thinking Human."
Every same species have a two-word latin name invented by Carl Linnaeus. if two animal's latin name are the same, it means they belongs to the same species.
is a group of animals that share the same characteristics.
Vertebrates
reptiles
scaly skins
most are four legs
lay eggs on land
use lungs
birds
lay eggs on land
use lungs
have feathers, wings and beak
mammals
covered with hair
use lungs
fed on milk
fish
breath using gills
skin covered with scales
lay eggs in water
with fins
amphibians
four limbs
lay eggs in water
when young use gills.when adult use lungs
smooth skin without scales
frequency diagrams
mode
mode is the most common value in your results.
median
median is the middle value in your results.
mean
mean is the average number of your results.
Invertebrate
molluscs
muscular foot
soft, unsegmented body
shell
annelids
segmented body.
have tiny bristle called chaetae
arthropods(exoskeleton)
Arachnids
eight legs
no wings or antennae
Crustaceans
more than eight legs
very hard exoskeleton
two pairs of antennae
Insects
six legs
two pairs of wings
one pair of antennae
head, thorax, abdomen
Myriapods
many many legs
one pair of antennae