Vocab
The instinctive seasonal movement of a population from one place to another is
migration
What type of bird species did Charles Darwin research across the Galapagos Islands?
finches
What does it mean to be homozygous for a trait?
having two of the same alleles
Nitrogen makes up approximately what percentage of Earth's atmosphere?
79%
How many daughter cells are formed after Meiosis I and II are complete?
4
An area of permeable sediment or rock that holds significant amounts of water
aquifer
A 19th century monk who studied pea plants and became known as the Father of Modern Genetics
Gregor Mendel
What does it mean to be heterozygous for a trait?
to have two different alleles
Which term describes the development of towns and cities on previously natural areas?
urbanization
During which phase of Meiosis II are the pairs of sister chromatids pulled away and towards opposite ends of the cell?
Anaphase II
What term describes the development of desertlike conditions due to human activity and natural processes?
desertification
Who proposed the theory of transformation, including the ideas of use and disuse and inheritance of acquired traits?
Lamarck
The color of a sheep's wool is governed by a dominant allele (R) for red and a recessive allele(r) for purple
What possible phenotypes will the offspring have in a RR x rr cross
all red wool color
What percentage of trash is recycled and composted in the U.S.?
31%
During which phase of Meiosis II do chromosomes stay condensed in thick sister chromatids and are NOT copied again?
Prophase II
A large volume of water flowing in a certain direction
ocean current
Who figured out that animals adapt to their environment and are descendents from a common ancestor
Darwin
The color of a sheep's wool is governed by a dominant allele (R) for red and a recessive allele(r) for purple
What is the genotype probability of offspring being homozygous dominant in a Rr x Rr cross
25%
What is one of the three R's in the waste disposal heirarchy?
During which phase in Meiosis I do the chromosome pairs separate and are pulled towards the poles of the cell?
Anaphase I
An area of ocean or large lake where there is not enough oxygen to support life
dead zone
Who developed the first scientific system for classifying and naming living things?
Linnaeus
The color of a sheep's wool is governed by a dominant allele (R) for red and a recessive allele(r) for purple
If a sheep has red colored wool but came from a father with purple wool, what must the genotype of the offspring be? In terms of R and r
Rr
Which U.S. government entity helps work with state and local agencies to help people dispose of hazardous waste?
EPA or Environmental Protection Agency
During which phase in Meiosis I does a new nuclear membrane form around each group of duplicated chromosomes?
Telophase I