What do biologist use to establish whether or not two organisms are of the same species

Describe the cell cycle

Is hipnotism related with darkness?

1. The primary cause of oil in the ocean is the users not the producers. What does this statement mean? Explain (at least 5 sentences)

In the datura plant, purple flower color is controlled by a dominant allele P. White flowers are found in plants homozygous for the recessive allele p.

Which of the following statements best supports the claim that certain organelles within eukaryotic cells evolved from free living prokaryotic cells? a) The cytoplasm of both eukaryotes and prokaryotes is surrounded by a plasma membrane.

Mark is studying jellyfish in a small body of water. Mollusks are a primary food source for jellyfish, and a large number of mollusks have recently been harvested from the area. How will this impact the carrying capacity for the jellyfish?

Summary of newton's laws and their importance to daily lives

Explain what is meant by the statement cleaner than coal

What type of cells are produced after fertilization occurs and the gametes combine? A) an egg cell B) a sperm cell C) a diploid zygote D) a haploid zygote

On a hot summer day, you notice a line of dark clouds forming. based on this observation, you go back inside and get an umbrella. what scientific skill have you used.