What information does this codon chart show?
Base pairs coding for amino acids
Number of individuals in the populaiton
Population Size
Acclaimed "Father of Evolution".
Charles Darwin
ATP
Glaciers in the Andes Mountains have been receding rapidly for many years.
What is represented by the lichens and mosses that grow on the recently exposed rock?
Pioneer species
What is the role of tRNA in protein synthesis?
It carries the amino acids to the ribosome to be assembled
What would happen if the frogs were suddenly removed from the food chain?
The grasshopper population would increase.
This scientist claimed that acquired traits could be passed on to offspring.
LeMarck
What type of molecule diffuses across a selectively permeable membrane during osmosis?
Water
What is the main difference between primary and secondary succession?
Primary succession begins in areas with bare rock, while secondary succession begins in areas with relatively intact soil.
State the central dogma of biology
Genetic information flows in one direction only, from DNA to RNA to protein.
A forest fire results in the decline of the forest's populations of primary consumers. Explain the decline of primary consumers.
The fire decreases the populations of producers.
Bats and birds are only very distantly related, and both evolved wings for flight in very different evolutionary pathways.
What is the term that describes the wing structures that these species evolved
Analogous structures
A protein molecule is transported from a cell's interior, where protein concentration is high, to the cell's exterior. A transport protein present in the cell membrane allows this transport to occur.
Can the process be categorized as passive transport? Why?
Yes. The process does not require energy.
The Alaska Glacial Retreat experiences ongoing primary ecological succession. As its ice melts, the glacier leaves behind bare rock.
How does the growth of organisms on bare rock contribute to the succession process?
By creating soil for the growth of plants
Consider the molecule shown below. A series of precisely three molecules is directly responsible for adequately placing what?
Amino acids in a polypeptide chain
If decomposers are removed from an ecosystem, which process for maintaining balance would be impacted first?
Recycling of Nutrients
What can be inferred from the evidence provided by the embryos?
The four different organisms share a common ancestor.
Which person is most likely diabetic? Why?
Person X, because their blood glucose stays higher longer, indicating a lack of insulin.
In 2006, parts of Florida experienced brush fires. The fires affected 54 of the 67 counties in Florida. What will most likely happen to the scorched land?
The land will be restored to the previous community of organisms.
Make a statement concerning the process shown in the diagram. Which cells does it take place?
The process is protein synthesis, which takes place in both prokaryotic and eukaryotic cells.
Forest land is being cleared at an alarming rate for various human uses. What impact will deforestation have on the carbon cycle and ecosystems worldwide?
Photosynthesis within the carbon cycle will decrease, raising atmospheric carbon dioxide levels which contribute to global warming.
What is the best evidence that two organisms share a common evolutionary ancestry?
The two organisms have significant genetic similarities.
In diagram M, red blood cells are pictured in their normal state. In diagram P, the blood cells have been placed in a 10% salt solution.
What has happened to the blood cells? Which type of solution causes this to occur?
Water moved out of the cells, causing them to shrink because the salt solution was hypertonic
In 1988, wildfires in Yellowstone National Park scorched 1.4 million acres, approximately 36% of the park. Although many trees, plants, and wildlife were destroyed in that event, the fires' overall effect was beneficial to the Yellowstone ecosystems.
How do forest fires most likely benefit an ecosystem?
The fires replenish the nutrients in the topsoil.