Questions Flashcards
What do we use plants for?
we use plants for food and fibre
what are the three different types of fibre?
(っ◔◡◔)っ 𝕔𝕠𝕥𝕥𝕠𝕟, hemp, and lastly fax.
What were medicines mostly made from?
many medicines made in labs originally came from plants.
what were most plants used for in medicine?
pain medication.
What are other things that plants are used for?
construction, transportation, and fuel.
what are the two 𝕣𝕠𝕠𝕥 𝕤𝕪𝕤𝕥𝕖𝕞𝕤?
- taproot
- fibrous root
what is the definition of diffusion?
diffusion – the tendency of particles to evenly distribute by moving from areas of high concentration to areas of lower concentration.
what is the definition of osmosis?
osmosis - diffusion across a differentially permeable membrane - differentially permeable – allow some materials to pass but not others.
what is the definition of differentially permeable?
differentially permeable – allow some materials to pass but not others.
what is a stems role?
stems – functions - five layers of the tree.
what process does a tree undergo?
- photosynthesis – process – carbon dioxide + water + energy from sun sugar + oxygen.
what helps a plants survive?
stomata and guard cells.
what does a plant do to help it?
respiration at night.
what does a plant do that ends up on its leaves?
Transpiration.
what is it called when people pick two plants and encourage them to mate?
selective breeding.