Which of the following must be true of their individuals if two populations are no longer the same species

What did Charles Darwin mean when he stated that some organisms were 'more fit' than other organisms? A) some organisms were heavier and stronger B) some organisms were more likely to reproduce C) not all organisms had the same natural life span D)

A cell containing 5% salt is placed into a glass of water with 20% salt. Which direction will water flow, assuming salt is too big to pass through the cell membrane?

What are that collects on the surface of the earth is called

The density of a human body can be calculated from its weight in air, Wair, and its weight while submersed in water, Ww. The density of a human body is proportional to:

What properties of carbon explain carbon's ability to form different large and complex structures?

When you notice that someone has unusually blue eyes, you've noticed their A. hybridization. B. genotype. C. phenotype. D. allele.

What allows us to develop a theory

Which statement is true for single-celled organisms

1. Which of the following BEST describes the term "race"? its for biology

Toxic shock-like syndrome is associated with a. Streptococcus aureus b. Staphylococcus pyogenes c. Neisseria meningitidis d. Escherichia coli e. Pseudomonas aeruginosa