Practice Test- test 2 questions (Bio final)

formation of ozone shield in precambrian era helped create favorable conditions for evolution of terrestrial life forms

nucleotides contain all of the following except

Avery,MacLeod,MacCarty discovered that the removal of nearly all protein from their preparation destroyed transformation

the distribution of mammalian fossils on Australia, South America and Africa helps support idea of continental drift

who was the individual who proposed the hypothesis of the continental drift during the 1920s

if a pea plant shows a recessive phenotype.

What is the blending theory of inheritance?

Polygenetic traits such as height and weight are often influenced by the environment of the organism

Avery, MacLeod, and McCarty were the first scientists to describe the process of bacterial transformation

which of the following is/are a biological “”population

In order to help DNA as genetic material, Hershey and Chase radioactively tagged viral protein in a experiment and RNA

when comparing Archaea and Bacteria, …?

single-celled eukaryotic cells belong to which of the following domains?

Which of the following features would be used to construct a phylogenetic tree?

Taxonomy

Mass extinctions

which of the following is required for natural selection to occur in a population

new lemur species: females prefer males who collect sap and fruit. conclude this supports the good gene hypotheis

Which of the following time periods contains the others?

During Griffith’s experiments, a nonvirulent form of S.pneumoniae was transformed into a virulent form

cutting the tails of mice over generations should cause the tails of their offspring to become short according to who?

the DNA barcoding is a method that can be used to identify any organism

Why was the x-ray diffraction photo considered evidence in the study of DNA?

individual A produces 10 offsprings, 8 survive to adults. “B” have 15 offspring and 7 survive to adults. “A” better fit?

All of the following statements concerning the theory of continental drift are true EXCEPT

Darwin’s assumption that living forms must be descended from extinct forms was based on _____ evidence.

Which of the following best represents analogous structures?

the scientific name of the giant swallowtail is Heraclides Cresphontes. Therefore..?

which of the following statements is true regarding the theory of continental drift?

which of the following are the three domains proposed in Woese’s classification system?

the first cells gave rise to

Evidence supports theory of mass extinctions being caused by crater forming meteorites that initiated climatic changes

The greek terms for “small” and “ball” are the root words for

Fossils like Archaeopteryx offer evidence liking

which of the following is NOT a trait that is the result of, or is affected by, the interaction of more than one gene.

Darwin adopted the concept of competition within a population striving for survival from

______ is the process of naming and assigning organisms to a taxon

birds and insects both have wings, but we do not consider the similarity as evidence of relatedness because…?

Northern elephant seal once nearly extinct, now number over 1000,000. scientist fear they are vulnerable to disease,why?

A(n)…….. is one that is present in the common ancestor and all members of the group.

which kingdom or supergroup is characterized by organisms that are saprotrophic by absorption.

The bottleneck effect is thought to be responsible for the loss of genetic variability in certain populations.

Most of Darwin’s observations about changes in species overtime and in different environments took place in and near

which kingdom os correctly described?

Griffith determined that DNA is the substance responsible for bacterial transformation

A population must have ___ for natural selection to occur

as a biologist, you found a colorful battle in Indonesia. which observations support sexual selection in its evolution.

The scientific study of fossils and what they reveal about pre historic life is called

if there is gene flow between two adjacent population of the same species, then two population will.

one of the Chargaff’s rules states that

with the appearance of the photosynthetic cyanobacteria and aerobic bacteria during the Precambrian era,

Lamarck’s inheritance of acquired traits included the idea that

What is the most plausible explanation for why the male of most bird species have elaborate plumage and mating rituals?

in the Watson and Crick model of DNA, the “steps” of the ladder are composed of

if female is carrie for color blind recessive allele and male partner is not, what are the chances of color blind baby

A taxon is the general name for a group of organism that exhibit a set of shared traits.

variation within a population is maintained by..?

the scientific name of the family dog is Canis familiaris. Canis represents the species..?

What is the term used to describe the changes in allele frequencies of a population over generation?

Over 150 breeds of dogs, all the same species, have descended from wolves because of humans. That is an example of

Which of the following mass extinctions is correctly matched with the date of the extinction?

Hv and cancer cells are becoming more drug resistant over time

during the course of Darwin’s journey aboard the HMS beagle he was collecting and recording —— and ——

order these major taxonomic categories into an increasingly inclusive hierarchy

George-Louis Leclerc was an eighteenth-century taxonomist who developed the binomial system of nomenclature.

gene mutation occurs at any time, without respect to the mutation adaptive value or benefit to the organism.

A random alternation in the sequence of DNA nucleotides that provides a new variant allele is known as a

in cladistics, ____ is(are) the primary criterion used to classify organisms

Haitian couple with mixed ancestry have kids with varying melanin levels despite equal sun exposure. explain why

Which of the following conditions is not necessary to maintain the Hardy-Weinberg equilibrium?

Scientists use Italian when constructing scientific names