Unit Nab Flashcards
What is Continuous Variation?
Differences in population in a wide range of values
What is Discreet Variation?
There are differences that form distinct groups
What is an example of discrete variation?
Tongue rolling and blood group
What is an example of continuous variation?
Height, weight, handspan (usually something measured)
What does metamorphosis mean?
It is when some animals such as insects show distinct stages in their life cyles which involves changes in appearance
What is Homeostasis?
Homeostasis is the ways that an organism keeps a stable internal environment
What is the function of the anther
Produces male sex cell(pollen)
What is the function of the stigma
Sticky pollen sticks here
What is the style’s function?
Pollen grows pollen tube down the style
What is the sepals function?
Protects flower when in bud
What is the stamens function?
Male part
What is pollination?
It is the transfer of pollen from the anther to stigma
What is growth?
It is the irreversible increase of mass of an organism and is normally accompanied by an increase in cell number
What is fertilisation?
It is the fusing of the nuclei of sperm and egg to form a zygote
What is the two types of varaiation?
Type 1-continous variation
Type 2- discreet variation
