518113
Description
Mind Map by thenerd123, updated more than 1 year ago
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Created by thenerd123
almost 11 years ago
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B1.2 Vertebrates and
invertebrates
- By Sadia Ali 10B
- Vertebrates
- animals that have a
backbone
- they belong to the
phylum chordata
- animals that have a
backbone
- Invertebrates
- animals that don't
have a backbone
- animals that don't
have a backbone
- they are both divided
into smaller groups
- characteristics to
group vertibrates
- the way they absorb
oxygen for respiration
- Fish have gills
- other groups of vertebrates
have lungs
- Fish have gills
- some vertebrates reproduce
using external fertilisation
- this is where the adult female
releases her eggs into the water
where they are fertilised by
sperm released by an adult male
- this is where the adult female
releases her eggs into the water
where they are fertilised by
sperm released by an adult male
- other vertebrates reproduce
using internal fertilisation
- many vertebrates
in this group then
lay eggs
- many vertebrates
in this group then
lay eggs
- the way they absorb
oxygen for respiration
- Other characteristics
- Homeotherms
- an animal that keeps its body
temperature more constant
than the surroundings, and
often warmer, by releasing heat
from reactions in their body
- an animal that keeps its body
temperature more constant
than the surroundings, and
often warmer, by releasing heat
from reactions in their body
- poikilotherms
- body temperature varies
with the temperature of
their surroundings
- body temperature varies
with the temperature of
their surroundings
- Homeotherms
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