Plant and animal Biology, CH. 1
Terms
undefined, object
copy deck
- The capacity of cells to extract energy from sources in thier environment, and to transform and use energy to grow, maintain themselves, and reproduce.
- METABOLISM
- A state in which the internal environment is being maintained within tolerable limits.
- HOMEOSTASIS
- The smallest unit of life.
- CELL
- If a form of a trait improves chances for surviving and reproducing in a given environment, it is a(n)______ trait.
- ADAPTIVE
- The capacity to evolve is based on variations in heritable traits, which originally arise through_____.
- MUTATIONS
-
You have some number of traits that also were present in your great-great-great-great-grandmothers and grandfathers. This is an example of what?
a. metabolism
b. homeostasis
c. a control group
d. inheritance - D. INHERITANCE
-
DNA molecules....
a. contain instructions for traits
b. undergo mutation
c. are transmitted from parents to offspring.
d. all of the above - D. ALL OF THE ABOVE
-
For many years in a row, a dairy farmer allowed his best milk-producing cows but not the poor producers to mate. Over many generations, milk production increased. What is this an example of?
a. natural selection
b. artificial selection
c. - D. BOTH B AND C
-
A control group is...
a. a standard against which experimental groups are compared.
b. indentical to experimental groups except for one variable.
c. a standard with several variables against which an experimental group is compared.
d. - D. BOTH A AND B ARE CORRECT
-
A specific aspect of an object or event that may change over time or change among individuals is a....
a. control group
b. experimental group
c. variable
d. sampling error - C. VARIABLE
-
The fewer the individuals from a population that are chosen at random for an experimental group,
a. the greater the chance of sampling error
b. the smaller the chance of sampling error
c. the less likely differences among them will distor - A. THE GREATER THE CHANCE OF SAMPLING ERROR
- Adaptive
- C. IMPROVES CHANCE OF SURVIVING AND REPRODUCING IN ENVIRONMENT
- Natural Selection
- E. OUTCOME OF DIFFERENCES IN SURVIVAL AND REPRODUCTION AMONG INDIVIDUALS THAT DIFFER IN DETAILS OF ONE OR MORE TRAITS.
- Theory
- D. RELATED SET OF HYPOTHESES THAT FORM A BROAD, APPLICABLE, TESTABLE EXPLANATION.
- Hypothesis
- B. EDUCATED GUESS
- Prediction
- A. STATEMENT OF WHAT YOU SHOULD FIND IN NATURE IF YOU WERE TO GO LOOKING FOR IT.