Answer:
All cells hace a barrier around them that separates them from the environment and from other cell.The barrier is called the plasma membrane,or cell membrane.
Worker bees eat the left over polin and nectar left by the honey bees.
Answer:
People throw their trash and pollution into the fresh water and make it not as fresh or safe to the animals as much as it could be.
Explanation:
Answer:
A. Early signs of life on earth
Explanation:
The Hadean, before the Archean, is the first geologic eon of Earth. It began with the formation of the Earth about 4600 million years ago and ended 4,000 million years ago. The planet had just formed and was still very hot due to high volcanism, a partially molten surface. Some geologists labels the period before the earliest-known rocks on Earth. At the end of it much cooler surface temperature and the formation of solid rock enabled to flaurish the life.