a trait that increases the chances an organism will survive and reproduce
100
What is evolution?
a change in the species of a population over time
100
What is a phloem?
the tissue in vascular plants that carries food
100
What is a trait?
an inherited characteristic of a living human being
100
Suppose two populations of a single species of lemur are separated for thousands of generations. The environments of the lemurs are slightly different. What will most likely happen to both populations?
both populations will become a new species
200
What is artificial selection?
the breeding of plants and animals with desired traits to attempt to produce organisms with the same traits
200
What is a kingdom?
the highest level of classification of living things
200
What is a phylum?
the second level of classification of living things
200
What is variation?
the differences among members of a species
200
According to page 83, question 2, which answer choice has a body plan most similar to humans?
Choice D, whales
300
What is binomial nomenclature?
the system of giving every species a unique, two word Latin name
300
What is a mutation?
a random change of a gene that produces a new trait
300
What is sexual reproduction?
the production of offspring by male and female organism of the same species
300
What is a vascular plant?
a plant that has specialized tissues to move food and water to its cells
300
According to page 83, question 3, which species contains traits that make it closely related to the white-tailed deer?
Choice B, moose
400
What is body plan?
the structure of an animals's body that allows it to solve problems related tot survival
400
What is natural selection?
survival of the fittest; the organisms that have adapted best are the ones that will survive and reproduce
400
What is speciation?
the process of natural selection producing a new species out of existing species over thousands of millions of years
400
What is xylem?
the tissue in vascular plants that carries water
400
According to page 83, question 4, which species should scientists study to observe direct evidence of evolutionary change?
Choice C, fruit flies
500
What is cambium?
a thin layer of tissue in vascular plants that produces xylem and phloem
500
What is a nonvascular plant?
a plant lacking specialized tissues to move water into its cells
500
What is taxonomy?
the science of naming and classifying orgainsms based on their similarities and differences
500
What is species?
the most specific classification of living things
500
According to page 83, question 5, what characteristic is most likely to be subjected to evolutionary change after 10 generations?