Answer A:
1. Spiral chloroplast:
This organelle help in photosynthesis, because it contain green pigment called chlorophyll in which water and carbon dioxide combine in the presences of sun light to prepare glucose.
2. Cell wall:
It is chemically composed of<span> an outer layer of pectin and an inner layer of cellulose. It provide rigidity and shape to spirogyra cell.</span>
Answer B:
The other parts which are not labelled include mucilage, cytoplasm, pyrenoids, cytoplasmic strand.
Answer C:
Function of pyrenoid:
<span>Each chloroplast strand has several round bodies called 'pyrenoids', which are responsible for starch production.
</span>Function of mucilage:
Mucilage help in retaining water in cell.
Question: why do so many animals in the taiga experience a seasonal color change?
Answer: it must account for summer and winter conditions.
Explanation: white fur is effective camouflage in winter but not the summer so not every animal can change its fur they only have one color thats affective one season so its hard for survival in summer if you have white fur
question answered by
(jacemorris04)
The Electron Transport Chain
Answer:
A predominance of pine trees
Explanation:
Usually pine trees become a target of fire and can overcome the soil that has been a exposed to fire. Hence, in a woodland that has been frequented by fire, there is growth of pine trees rather than other trees/plants.
Sleep is the state of rest of the brain and body where physiological processes take place. More observably, the eyes close and the brain enters into a state of unconsciousness, either completely or partially. Moreover, sleep is guided by sleep/wake cycles and circadian rhythm.
