Select the correct answer from each drop-down menu.

An element has an atomic mass number of 16 and an atomic number of 7.

Some biologists have suggested that over-exploitation in the harvesting of some sharks (i. e. top predators) has caused drastic changes in marine communities.

What is the phase of the cell cycle during which the cell prepares to reproduce?

Describe the outer covering of a reptile egg

A tall, purple-flowered pea plant (ttpp) is allowed to self-pollinate. (the recessive alleles code for short plants and white flowers.) the phenotypic ratio of the resulting offspring is 9:3:3:1.

Which type of volcano is most likely to produce viscous lava

Cells carry out what

Which of the following is not a function of fat in the human body?

A student is observing a cell on a microscope slide and notices cell walls and membranebound organelles. the student concludes that the cells

During a heavy thunderstorm, where would you be most likely to see surface runoff? A. on a mulched garden B. in a grassy plain C. in a dense forest D. on a paved hill

Which of the following best describes succession? Question 1 options: The evolution of species through natural selection to becomes different species over time. All of these are good descriptions of succession.