A friend of yours is wondering about the differences between the words orientation and navigation when these two terms are used in descriptions of bird migrations. Since you have studied and know something about animal behavior, what do you tell your friend?
A. Orientation is adjusting a bearing, while navigation is actually following a bearing.
B. Orientation and navigation are used interchangeably when referring to avian migrations.
C. Orientation is following a bearing, while navigation is setting or adjusting a bearing.
D. Orientation is following the sun in the day as starling do, while navigation is following a bearing with a small amount of magnetite, which is found in the heads of some migratory birds.
E. Orientation is the ability to find true east, navigation is the ability to find a bearing while crossing water.
C. Orientation is following a bearing, while navigation is setting or adjusting a bearing.
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The term that best describes how the components of a genome interact to produce an organism's traits is:
A. Proteomics B. Functional genomics C. Structural genomics D. Genomics
When seawater rises more than 10 mm per year, symbiotic zoxoanthellae will
a. increase due to the warm water. b. be reduced without sufficient sunlight. c. be reduced by the increased pressure. d. increase due to the input of nutrients. e. increase due to increased water pressure.
The ________ is a modified form of endoplasmic reticulum that stores and releases calcium ions when a muscle contracts
Fill in the blank(s) with correct word
Fossils older than ____ cannot be dated by their 14C content because ____
a. 60,000 years; most of the 14C has decayed by this time b. 12,000 years; half of the 14C has decayed by this time c. 6,000 years; older fossils do not contain carbon d. 2,000 years; most of the 14C has decayed by this time e. 500 years; half of the 14C has decayed by this time