What forms of life were present during Earth's first age, the Hadean era?

A. Crustaceans and fish but no land animals

B. Bacteria

C. The same life that is present today

D. None

What is the baby learning through play in the following scenario? Cameron is seven months old and is fascinated by her rattle. She shakes it, stares at it, and giggles when it makes noise.

Describe the relationship between linkage groups and chromosomes.

What is true about the relationship of adenine and thymine? - Adenine and thymine are a base pair - Adenine and thymine are antiparallel - Adenine and thymine form a covalent bond - Adenine and thymine are phosphates

Which macromolecule stores energy for an organism? Question 8 options: carbohydrate lipid nucleotide protein

James Hutton's and Charles Lyell's work suggests that A. Earth is several million years old. B. Earth is several thousand years old. C. all fossils were formed in the last 1000 years. D. all rocks on Earth contain fossils.

Why are people who have poor dna repair mechanisms at greater risk for cancer development? select one: a. their cancers are usually resistant to chemotherapy. b. they have greater exposure to environmental carcinogens. c.

A cell in prophase ii of meiosis has 12 chromosomes. how many chromosomes will be present in a cell from the same organism if it were in prophase of mitosis? prophase i of meiosis

Mr. Duarte, now age 32, was diagnosed with diabetes mellitus when he was 14 years old. He takes insulin in the morning and the evening.

DNA in the nucleus is impacted in large structure called? Is it chromosome?

Factors playing a role in fatigue can be classified into two categories. define those two categories and provide an example of each.