the answer is 21<span>% oxygen, </span>
Answer:
Control of cell transition from one phase of the cell cycle to another
Explanation:
Control of cell transition from one phase of the cell cycle to another is not the only role of cyclin in the cell.
The role of cyclin C and H in the processes of transcription regulation is shown.
Cyclin H, together with the transcription factor TFIIH, plays a role in the phosphorylation of the CTD-tail of RNA polymerase II during the transcription process.
Cyclin L participates in the processes of primary transcript processing.
An organism that obtains energy and nutrients by feeding on other organisms or their remains. A food web is a model of the feeding relationships between many different consumers and producers in an ecosystem. Without plants (the primary producers) consumers and decomposers would not be able to live. Producers always start every food chain. A consumer, also called a heterotroph, is an organism that cannot make its own food. It must eat producers or other organisms for energy.
Answer:
D
Explanation:
There are many food chains within a food web, so D seems like the best possible answer :)
The correct answer is phototrophism.
Phototrophism is said to be the growth of a plant toward a source of light.
It is response to the stimulus of light and is seen when a plant bends towards the direction that light is coming from. Response by plants to a stimulus is called tropism. The word or prefix "photo" means or refers to light. Therefore phototropism simply means response to light.
Phototropism can be especially evident in the jungle where the jungle floor gets very little light. If a tall tree falls to the ground, it leaves a gap in the canopy through which sunlight streams to the ground. Many jungle plants growing on the ground will bend towards the gap and rapidly grow towards the source of light.
