photosynthesis and food webs Flashcards
(29 cards)
what is photosynthesis?
photosynthesis is a process by which green plants make their own food
what can green plants do?
that green plants can convert light energy into chemical energy in food
what do plants require to photosynthesis?
that plants require carbon dioxide and water to photosynthesise
what do plants produce as a byproduct of photosynthesis?
that plants produce oxygen as a by-product of photosynthesis
what does photosynthesis create/release?
oxygen
what is chlorophyll?
that chlorophyll (green pigment) is needed to trap light energy for photosynthesis
where is chlorophyll found?
that chlorophyll is found in chloroplasts in green plant cells
what do plants make during photosynthesis?
that plants make sugar (glucose) during photosynthesis
how can the plants store this glucose?
that plants can store this glucose as starch
what do plants use the glucose to make?
that plants also use glucose to make cellulose for plant cell walls
what is the word equation for photosynthesis?
water + carbon dioxide (chlorophyll) (light) -> glucose + oxygen
what are the basic parts of a leaf?
a) upper epidermis
b) lower epidermis
c) palisade mesophyll layer
d) spongy mesophyll layer
e) air spaces
f) guard cells surrounding stoma pores on the lower surface
what may there be on the epidermis?
that there may be a waxy, waterproof covering (cuticle) on the epidermis
how is water taken in?
that water is taken in by the roots of plants
how does the water move up (photosynthesis)
that this water moves upwards through the roots and stems to the leaves
what do herbivores eat?
that herbivores eat only plants
what do carnivores eat?
that carnivores eat only animals
what do omnivores eat?
that omnivores eat both plants and animals
what do the arrows in a food chain indicate?
that the arrows in a food chain indicate the direction of energy flow
what are green plants known as?
that green plants are known as producers as they make their own food by
photosynthesis
what do consumers eat?
that consumers eat plants and other animals
what is a food web?
that a food web is an inter-connected series of food chains
what do predators eat?
predators eat other animals called prey
what do food chains/webs begin with?
producers
