Biology 1 Exam

For long-term pears, the oxygen concentration should be ... and the temperature should be ... this will result in The ... amount of energy being used by the pears.

5%; 7 degrees C; least

From Alaskan salmon, which statement best explains how salmon obtain and use it matter to support their biological functions?

Salmon break bonds in complex food molecules to release the carbon, oxygen, and hydrogen Adams needed for the formation of other molecules.

From scales and feathers, which evidence best supports the claim the birds evolved from dinosaurs

The same sequences are found in the genetic information of theropods and birds

From banded snails part B, which statement supports your prediction from banded snail's part a?

Yellow banded snails are better suited to live in warmer climates than snails with other colored shells

From bandits nails part A, use graph to in figure 1 to answer the question. Which statement best predicts how yellow band of snails will be affected if the trains shown in the graph 2 continue?

Yellow banded snails will become more common in the areas that have historically cooler temperatures

From primate traits, which statements explain the most likely cause of the difference between the hands of chimpanzees in those of gorillas? State three correct answers

1. A single nucleotide base in the enhancer sequence changed, which caused an activator protein to bind to the enhancer sequence. 2. The exchange of pieces of DNA between alleles during sexual reproduction caused a new combination of DNA to form. 3. An individual had a genetic mutation that resulted in a hand structure with a selective advantage that was passed on to offspring.

A saline solution can be added to a patient's bloodstream during medical procedures. However, if the concentration of salt is too high, blood cells may be damaged. A student decides to perform an investigation to test his claim. Which statements explain the answers to saline part A? Select all that apply.

1. Cells placed in freshwater may burst. 2. Water will move out of cells that are placed in a solution with high salt concentration

From Banded snails, as the climate in northern regions change, the population of snails with darker colored shells will likely ... because they have ... than nails with lighter colored shells

1. Decrease 2. Higher body temperatures

Tonewood trees are most likely to be produced as a result of ... temperatures and ... precipitation.

1. Higher than average 2. Lower than average

From Tonewood trees, which statements or evidence that supports the answer to part a (Tonewood trees drop down question)? Select all that apply

1. In the year with lower than average precipitation, the rate of cellular respiration in trees both sides was lower than average. 2. In the year with above average temperatures and average precipitation, the rate of growth at site to decreased.

During an investigation, two German shepherds with long hair were each bred with a German Shepherd short hair in a first generation cross. The offspring from each first generation cross were then bred to produce a second generation cross. What questions could be answered with this info?

1. Is hair length in German shepherds a dominant or recessive trait? 2. Is long hair in German shepherds an inherited trait? 3. What percentage of offspring in the second generation of German Shepherd's are homozygous for the recessive hair length trait?

Which statements describe the steps in photosynthesis? Select three correct answers

1. Light energy is absorbed by chlorophyll 2. Water is broken apart to produce oxygen 3. Energy in the form of heat is used to absorb carbon dioxide

From fight or flight response, which statements describe how systems interact to produce the fight or flight response? State two correct answers

1. The digestive system creates hormones that are sent to the muscular system, resulting in increased blood flow to muscles. 2. The endocrine system floods the circulatory system with hormones that affect several other body systems.

A saline solution can be added to a patient's bloodstream during medical procedures. However, if the concentration of salt is too high, blood cells may be damaged. A student decides to perform an investigation to test this claim. Which investigations are most appropriate to help the student test the claim? Select three answers.

1. Use a microscope to examine changes and leave cells place and solutions of 1% or 10% salt 2. Measure the mass of carrot sticks before and after placed in solutions of either saltwater or freshwater. 3. Compare the firmness of spinach leaves placed in salt solution overnight with those placed in freshwater overnight

One reason that the number of deaths due to measles is significantly lower than the number of deaths due to HIV/AIDS is the introduction of ... The large number of cases of tuberculosis despite an effective treatment strategy suggest that complete control of an infectious disease depends on educating patients about ...

1. Vaccines 2. Proper use of antibiotics

A scientist crosses morning glory plants of different colors to determine how flower color is passed on to offspring. The results of three crosses are shown in the table, flower color in morning glory plants. The scientist crosses an offspring from cross X with an offspring from crossing. What are the expected results of this cross?

50% of plants with red flowers, 50% of plants with purple flowers

From scales and feathers, which statement best explains what caused some theropods to develop feathers?

A mutation in DNA affected the types of proteins produced by placodes

From scales and feathers, which claim is best supported by the information about scales and feathers

Changes in placards over time allowed for the development of different structures

Based on the information and grab three, charm salmon fry likely to eat pray that is ... prey eaten by the pink salmon fry and ... prey eaten by the Coho Salmon fry. This is because as a salmon size increases, it's matter intake needs ...

Larger than; smaller than; & increase

Use table 1 and figure 2 from tonewood trees to answer the question. Which claim about the transfer of energy in the tonewood ecosystem is BEST supported by the data?

More energy is available to transfer from the trophic level at lower elevations than from the same trophic level at higher elevations

From banded snails, which claim is supported by evidence from graph one?

Snails with yellow shells and banding or less able to survive and Wood habitats

From Alaskan salmon, develop a model that can be used to explain the stages of growth and development that results in a salmon fry. Choose the correct order of events took place in the image below

Sperm fertilizes egg, genetic material is evenly divided, embryo changes from 2 to 4 cells, cells differentiate, and specialized tissues and organs are produced.

From scales and feathers, which information is evidence that best supports the answer to part a?

The DNA of modern day vertebrae's codes for the proteins in placodes.

From Alaskan salmon, which claim is supported by the information and graph one and graph two?

The number of eggs in the mass of the eggs produced by sockeye salmon depend on the amount of matter stored by the female

Which statement BEST explains the results in table 1 of tonewood trees?

Trees from site one grow less rapidly than trees from sight to because the trees have slower rates of cellular respiration at site one then add site two

From primate traits, the model shown in figure 2 can best be used to explain the answer to which question?

What happens when an activator protein binds to the working enhancer in a strand of DNA?