Global warming/climate change
Answer:
a) produced the oxygen in the atmosphere
Explanation:
- Prokaryotes are likely to first form of life on earth and they existed billions of years ago before animals and plants.
- As these prokaryotes can do photosynthesis so there most important function is produce oxygen in atmosphere for the evolution of aerobic life.
- At that time the conditions were harsh on earth so these prokaryotes are used to survive under earth like in oceans. They first produce oxygen in oceans.
- In eukaryotes photosynthesis emerge by endosymbiosis with photosynthetic prokaryotes.
Answer:
B
Explanation:
Many sea animals have certain temperatures that they adapt to, when the temperature decreases or increases it affects their environment and what they were used to
Answer:
A cell cycle is a series of events that take place in a cell as it grows and divided. ... The cell then leaves interphase, undergoes mitosis, and complete its division. The resulting cells, known as daughter cells, each enter their own interphase and begin a new round of the cell cycle. so the awnser is b as in bee
Explanation:
Okay First lets take a dee breath now Step-By-Step
first we think about what the cell cycle is good question!
come up with a good explaining and why is that the awnser" then write facts down and you should have your awnser
