11)
Sylvia uses the same amount of force and time to push a small basket of books and then a very large box of books. Which
description BEST explains the use of speed and motion on the basket and box?
A)
The large box of books will move faster and farther.
B)
The small basket of books will move faster and farther
C)
Both the basket and the box will move at the same speed and travel the
same distance
D)
The basket and box will move the same distance, but they will travel at
different speeds

Which of these is a major trend in land plant evolution? a) the trend toward smaller size b) the trend toward a gametophyte-dominated life cycle c) the trend toward a sporophyte-dominated life cycle d) the trend toward larger gametophytes

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.