How many centrioles are there in a cell metaphase?

2

4

6

8

None

Which Scientists' observations eventually led to the theory of continental drift

Your professor wants you to construct a phylogenetic tree of orchids. She gives you tissue from 52) seven orchid species and one lily.

Which group consists entirely of organic molecules? 1) protein, oxygen, fat 2) protein, starch, fat 3) water, carbon dioxide, oxygen 4) water, starch, protein

Which of the following are true? A single gene can control a single trait. A single gene can influence multiple traits. A single trait can be controlled by multiple genes.

What is the best way to answer a young child's question about sex and sexuality?

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.

Your throat is dry, and you want the last cough drop in the box to last a long time in your mouth. What should you do?

Write a description of how the animal cell transports water?

The oceans have absorbed the majority of the increased heat in the atmosphere. a. True b. False