What do all organisms have?

Two skaters stand facing each other. One skater's mass is 60 kg, and the other's mass is 72 kg. If the skaters push away from each other without spinning, a. the lighter skater has less momentum. b. their momenta are equal but opposite. c.

Are all insects arthrapods?

Live cultures of bacillus thuringiensis (dipel) and b. subtilis (kodiak) are sold as pesticides. what bacterial structures make it possible to package and sell these bacteria? for what purpose is each product used?

Cells must use energy to move a substance against a concentration gradient i. e., from a compartment with a low concentration of the substance to a compartment with a higher concentration).

What is the definition of energy? a) melting, freezing, evaporating b) the ability to create a new substance c) the ability to work d) anything that bring about change

Why the inner planets have a shorter revolution time than the outer planets?

The molecule within a seed which controls and directs reproduction is called

A mother is B+, the father is A+, and the children are O-. What are the genotypes for the parents?

What system moves O2 and CO2 around?

Which of the following is expected to decrease due to climate change? A. Sea levels B. Flooding C. Sea ice D. Temperatures