more science notes Flashcards
What are autotrophs
Organisms that prepare their own food
What are heterotrophs
Organisms that can’t prepare their own good
Function of the root hair cell
To absorb water and nutrients from the soil
Function of the xylem vessel
It’s function is to carry water and minerals in one direction - towards the elaves
What is Transpiration
The process by which plants lose water vapour from the leaves.
State the processes in nutrition in animals
- Ingestion
- Digestion
- Absorption
- Assimilation
- Egestion.
What is ingestion?
Taking food into your body
What is digestion?
Breaking food down into simple substances
What is absorption?
Taking the food into the blood vessels in the intestine
What is assimilation
Breaking down absorbed food into components like vitamins, proteins
What is egestion
excretion or taking out waste material
Insectivorious relation meaning
This means insect eating, deriving nutrition from insects
What are saprophytes? What is a Saprophytic relation?
An organisms that eats dead or decaying matter for nutrition
Rate of photosynthesis is fastest in which colour light?
Red light is the best. Followed by blue and then green thirdly.
Function of the xylem vessel
To transport minerals and water in one direction, towards the leaves.
