MUST KNOW Flashcards
Binomial name system
Kingdom
Phylum
Class
Order
Family
Genus
Species
Scientific name
Genus species
Biodiversity definition
The variety of species and numbers of individuals within those species
Conditions which must apply - capture recapture
Sufficient time between 2 samples
No births, deaths, immigration, emigration
Enough samples
Base pairing
A to T
C to G
Types of variation
Continuous
Discontinuous
How is rate of mutation increased
By ionising radiation ☢️ and some chemicals
5 steps in describing natural selection
Overproduction
Variation
Survival of the Fittest to breed
Breeding
Evolved
Stimuli
Light sound touch temperature chemicals
How is info from sense organs relayed
As electrical impulses along neurones to the cebtral nervous system
Name for path a nerve impulse takes after a stimuli is detected
Reflex arc
What is the reaction called
A response
Sensory neuro e
Receptor to spinal cord
Motor neurone
Effector to spinal cord
Tropism
Growth in response to (towards/ away from) a stimulus
Type 1 diabetes
Body stops producing insulin
Type 2 diabetes
Body no longer responds to insulin
What does the pancreas release- low blood glucose concentration
Glucagon
What does the pancreas release- high blood glucose concentration
Insulin
What is glucose stored as
Insoluble glycogen
Steps of nephron function
Ultrafiltration
Selective reabsorption
Urine excreted
Why incubate human pathogens at 37 degrees c
They grow better at body temperature
HIV causative agent
Human immunodeficiency virus
Chlamydia causative agent
Bacterium chlamydia trachomatis
