Quiz Questions For Exam 3

Two groups of organisms that differ from one another in one or more characteristics and do not hybridize extensively if they occur together in nature are considered to be different

species

You see a sign on a door that reads "Homologous Structures Inside." You go in and find

structures of animals that have difference appearances and functions but seem to have evolved from the same body part in a common ancestor.

In the southeastern U.S., two species of wild lettuce (Lactuca) do not usually form hybrids, because they bloom at different seasons. The means of isolation appears to be

temporal

Protists are classified into a single kingdom because of which of the following features?

they are eukaryotes, but not fungi, plants or animals

Which of the following is not true about prokaryotes?

they contain organelles

The tropical diseases such as African sleeping sickness, Chaga's disease, and leishmaniasis are caused by

trypanosomes

A friend is trying to understand the concept of convergent evolution. Which one of the following statements best describes this concept?

Convergent evolution occurs when two species living in different areas evolve similarities through natural selection acting on those characteristics.

From a large population of lizards on the mainland, a small number of individuals arrives on a nearby island in the hold of a ship. Generations later, the island population of lizards has a different pattern of spots than those on the mainland, though it does not affect their survival. This is an example of

Genetic drift through the founder effect

The biological species concept requires that members of the same species

Mate in nature and produce fertile offspring

The parasite that is responsible for causing malaria is called

Plasmodium

man-made climate change has been associated with

a decrease in ocean phytoplankton, particulary near the equator coral bleaching warming ocean temps ALL OF THE ABOVE

Today, the fossil record includes

all of the above

The type of speciation that geographically isolates populations and results in the divergence of distinct species is called ____________ speciation.

allopatric

The wings of birds and butterflies are examples of structures that resemble each other and have similar function, but are the result of parallel evolution in separate lineages. These structures are called

analogous structures

Prokaryotes undergo a process that produces cells that are identical. This process is called

binary fission

In which of the following characteristics, prokaryotes and eukaryotes are similar?

contain ribosomes

Progressive changes in fossils of different ages provides one of the strongest lines of evidence for

evolution

Which of the following is not a characteristic of the bacteria causing anthrax?

it cannot survive for long outside an animal body

One characteristic of evolution is that

it occurs in a branching pattern with no real goal

Archaea differ from Bacteria in all of the following except

lack of organelles

The shape of the beaks of Darwin's finches, industrial melanism, and antibiotic resistance are often cited as examples of the process of _______________ leading to evolutionary change.

natural selection

In all of the following characteristics, prokaryotes differ from eukaryotes except in

nucleic acids as the hereditary material

The prokaryotic DNA is located in the

nucleoid region

The production of new species through polyploidy is especially important in

plants

The isolating mechanism that prevents hybridization between horses and donkeys is

postzygotic

Natural selection promotes speciation by all of the following except

promoting polyploidy

amoebas move place to place by means of their

pseudopods

A eukaryote containing chloroplasts with four surrounding membranes would likely

result from secondary endosymbiosis