Objects fall to the center of the Earth due to a force called gravity.

This statement is an example of a law.

True

False

Explain how the yolk is related to the development of the embryo.

Marla did this the same way for each classmate, and then Zoe used this ruler to measure each straight line and record the data below. 7.

The process of cell modification from a generalized cell to one that performs a specific task is known as: A. cell differentiation B. stem cell C. cell generalization D. zygote

Why is it important that the evidence produced by scientific investigations be replicable by others?

Which process is used to make bread rise? A) alcoholic fermentation B) glycolysis C) the Krebs cycle

Your alien friend from planet Xenon is visiting and wants to learn how to breed pea plants. You show your friend a recent batch of pea plants with purple flowers that you grew by crossing plants that had purple flowers with plants that had white

The green stem ant has three (autosome) chromosomes. During meiosis, chromosome 1 and 3 separate normally, but chromosome 2 homologs do not separate during meiosis I. Meiosis II happens normally. What will the resulting cells of meiosis look like?

A population is growing at a rate of 2,4,8, 16, 32. Which type of growth does this describe?

Which epithelial tissue type is most often found lining large ducts, such as those of the salivary glands or pancreas?

Evolution led to certain fishes, such as lung fishes to adapt to terrestrial mode of life. These fishes were the ancestors of modern amphibians. Which evolutionary mechanism is represented by this example?