4.6 million years ago the earth had less green house gasses so the atmosphere was cooler rather than hotter.
Scientists use a two-name system called a Binomial Naming System. Scientists name animals and plants using the system that describes the genus and species of the organism. The first word is the genus and the second is the species. The first word is capitalized and the second is not.
There you go sir! Hope I helped
Answer:
it helps a car slow down or pull to a stop I think
The answer to this question would be the last one, tissue.
These specialized cells group together to form a common function which then becomes a tissue. These tissues then group together and form an organ. Organs then form together a system and systems form together an organism. These organisms gather and form a community and eventually into an ecosystem. This is typically a process as to how cells become organisms and how organism make up the ecosystem. Cells are the basic unit of life. Without them, there would be nothing at all.