How did earth cool down enough to sustain life

What are the organisms still alive that display some of the earliest vertebrate evolutionary characteristics?

Which feature is found in prokaryotic cells but not in eukaryotic cells? a. cytoplasm b. nucleoid c. plasma membrane d. nucleus

within the brain what is the name of the set of structures that work together to produce emotions into God behaviors associated with survival

Which type of plant only lives about a year? annual nonvascular perennial vascular

Create a sample question list for obtaining medical history information for a patient diagnosed with Bipolar Disorder. For each question describe why it provides important information to the physician and medical team

What is found about 10 km above earths surface

There is no fusion of gametes in this type of reproduction

This is any substance used in treating or alleviating the symptoms of a disease or injury.

How many molecules of DNA are present if there are after 11 rounds of replication?

What is science? Answer in your own words.