suppose a young flowering plant has lost all of its flowers and they do not grow back. how will this most likely affect the plant's life cycle?
the plant will not be able to reproduce, because flowers contain all of the plant's seeds.
how is most photosynthesis carried out
in the plants leaves
Identify how seeds relate to reproduction.
they are products of sexual reproduction
What happens during the Calvin cycle of photosynthesis?
Glucose is synthesized from carbon dioxide
true or false? in the fall, when leaves receive less oxygen and light, the often change color.
true
does a leave make food or reproduce?
it makes food
A food chain includes species W, X, Y, and Z. In terms of the number of individuals, species W outnumbers species X, which outnumbers species Y, which outnumbers species Z. At which trophic level in the food chain is species Y?
secondary consumer
Which vascular tissue in plants transports water and nutrients from the roots to the stems and then to the leaves?
xylem
what happens if animals do not get the food they need?
they die
Which plant hormones controls certain tropisms?
auxins
what is not controlled by plant hormones?
photosynthesis
What is not contained in a seed before it germinates?
photosynthesizing leaves
true or false, plants make their own food
true
what is not a function of plant roots?
delivering nutrients to the leaves
describe the process of photosynthesis
it requires energy from the sun
Animal cells cannot carry out photosynthesis because they lack ___________________.
chloroplasts
is photosynthesis responsible for most of the oxygen in the atmosphere
yes
Which statement best summarizes what happens to energy in an ecosystem when it reaches the top of the food chain?
the energy is transferred to the soil and recycled back to the producers
what is a chemical reaction
a process in which one substance undergoes a chemical change into a new substance.
What is the function of guard cells on a leaf?
they allow carbon dioxide into the leaf and water out of it
Your experience on this site will be improved by allowing cookies.