Everyrhing Flashcards
(21 cards)
All living things are divided into 5 kingdoms what are they
Plants Animals Fungi Prottocists Prokaryotes
Animals are heterotrophs what des this mean
They cannot make their own food
Fungi are saprophytes ?
Feed of dead organisms and decaying material
Prototists are unicellular ?
They are single called and have a nucleus
Why is it hard to classify organisms
Because viruses are non living so are hard to classify
Vertebrates have a what ?
Back bone and internal Skelton
Invertebrates don’t have what ?
They don’t have a back bone and have an external Skelton
Vertebrates are divided into what 5 kingdoms ?
Mammals Birds Reptile Amphibians Fish
Scientists divide vertebrates based on what 3 things
How they absorb oxygen gills, lungs skin
How they reproduce internally or externally
How they regulate their body temperature
What does homo therms mean?
Warm blooded
What does piokilotherms mean
Cold blooded
Osmoregulation is what
Regulating water content in the body
What is thermoregulation
Regulating body temp
What does hypothalamus mean
What your body temp is controlled by
What is the dermis
Deep skin layer
When receptors detect your too hot what do they do
They lie flat and relax
Lots of sweat is produced which is then evaporated from your skin into the environment to cool you down
When receptors detect your too cold what do the do?
Muscle contract so hairs stand up on end to trap an insulating layer of air which helps keep us warm
What are hormones
They are chemicals produced In various glands called endocrine glands
What speed does the hormone travel at
They go to the speed of the blood
Plants contain…… And are autotrophs what does this mean
Chlorophyll and They can make their own food
What is a stimulus
A change in the environment that we may need to react to
