Pearson Biology Package

1. When sea otters became extremely rare on the California coast, their usual prey (sea urchins) became overabundant and consumed most of the kelp that was the principal habitat for a diversity of fishes and invertebrates. Which statement best describes this situation? - AnsSea otters are a ke...

1. Plants colonized land in the company of __________; their symbiotic relationships still exist today. - Ansfungi 2. What structures allow plants to readily take up carbon dioxide from the atmosphere? - Ansstomata 3. Which of the following statements about algae and plants is true? - AnsPlants...

What percentage of human sperm cells carry an X chromosome? - Ans50% How many chromosomes are shown in a normal human karyotype? - Ans46 Which of the following statements are true: -females cannot have hemophilia -a colorblind boy's mother must carry the gene for color-blindness -a sex-linked ...

Scientific method - Ans1. identify the problem 2. state your hypothesis 3. test your hypothesis 4. organize and analyze your data 5. form a conclusion spontaneous generation - Ansthe theory that living things can come from nonliving things 5 characteristics of living things - Ans1. all living ...

▪ What three subatomic particles make up atoms? - AnsThe subatomic particles that makeup atoms are protons, neutrons, and electrons. ▪ What subatomic particles make up the nucleus of an atom? - Ansprotons and neutrons ▪ What subatomic particles surround the nucleus of an atom? - Anselectron...

1. Which of the following statements about carbon skeletons is true? - Ans-Carbon skeletons may take the shape of a ring. 2. Which component of an amino acid provides its acidic properties? - Ans-its carboxyl group 3. The __________ reaction that occurs when two monomers combine to form a polyme...