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Rossiters Choice
Cells
Environment
A
B
100
Which of the following levels of organization BEST represents the sequence from smallest unit to largest? a. cell, organism, organ, tissue b. cell, tissue, organ, organ system c. cell, organism, tissue, organ system d. cell, tissue, organism, organ
What is B
100
Eukaryotic Cells are differentiated from prokaryotic cells because eukaryotic cells are: a. smaller b. have permeable membranes c. have higher rate of reproduction d. have nuclei
What is " D " have a nuclei
100
After a volcanic eruption has covered an area with lava, which of the following is the most likely order of succession in the repopulation of the area? A lichens →grasses →shrubs →trees B mosses →grasses →lichens →trees C grasses →trees →mosses →lichens D shrubs →grasses →trees →lichens
What is "A"
100
In most freshwater environments, populations of DAPHNIA are almost entirely female and reproduce asexually. However, males are observed in low oxygen environments or when food is scarce. Based on these observations, a researcher suggests that male DAPHNIA develop in response to unfavorable environmental conditions. This is an example of: a. result b. theory c. experiment d. hypothesis
What is " D "
100
In order for the body to maintain homeostasis, the chemical decompositon (breakdown) of food to produce energy must be followed by: a. water intake b. muscle contractions c. waste removal d. nervous contractions
What is C Waste removal
200
Which of the following pairs provides structural support for a human? a. skin and bones b. bones and muscles c. spine and heart d. brain and nerves
What is B
200
Which cellular organelle is responsible for packaging proteins that the cells secretes? a. cytoskeleton b. cell membrane c. lysosome d. golgi apparatis
What is " D "
200
Complete burning of plant material returns carbon primarily to the A herbivores. B water. C vegetation. D atmosphere.
What is "D" the atmosphere
200
Two students were testing the amount of fertilizer that would best promote the growth of strawberries in a garden. Which of the following could be an unavoidable source of experimental error? A length of the study B variation in the strawberry plants C the cost of watering the plants D fertilization during the study
What is "B"
200
Which of the following represents chromosome number in fertilization? a. n + n = 2n b. 2n = n + n c. n = n d. 2n = 2n
What is " A " n + n = 2n
300
Which three organ systems coordinate the arm to move? a. nervous, muscular, skeletal b. respiratory, muscular, digestive c. skeletal, circulatory, immune d. digestive, nervous, circulatory
What is A
300
What structure stores most of the genetic information? a. Lysosome b. Mitochondria c. Nucleus d. Golgi Apparatis
What is " C " Nucleus
300
Which of these organisms are most helpful in preventing Earth from being covered with the bodies of dead organisms? A herbivores B producers C parasites and viruses D fungi and bacteria
What is "D" fungi and bacteria
300
A computer model of cellular mitosis can simulate the aspects of cellular division quite well. However, microscopic observation of actual cellular mitosis can improve understanding because actual observations A may reveal greater unknown complexities. B are easier than a computer model to view. C are the same each time. D may provide division events in sequence.
What is "A"
300
Which of the following best describes meiosis? A It is carried out in all tissues that require cell replacement. B It occurs only in cells in the reproductive structures of the organism. C It happens in all tissues except the brain and spinal cord. D It is the first stage of mitosis.
What is "B" It occurs only in cells in the reproductive structures of the organism.
400
Carbon dioxide is produced as cells break down nutrients for energy. Which of the following pairs of body systems would participate in removing the carbon dioxide from the body? a. endocrine and circulatory b. circulatory and respiratory c. respiratory and endocrine d. reproductive and excretory
What is " B "
400
Which of the following organelles releases energy from sugars? a. Ribosomes b. vacuoles c. chloroplasts d. mitochondria
What is " D " mitochondria
400
A food chain is shown below. grasses --> crickets --> Field Mice --> Hawks For the food chain shown, which of the following changes would have the most severe consequences? A a drastic decrease in rainfall, causing drought B the poaching of predatory hawks by game hunters C the introduction of a second predator that eats field mice D a parasitic infestation that reduces the cricket population
What is "A" a drastic decrease in rainfall, causing drought
400
Earth has undergone some catastrophic changes from time to time. Which of these most likely explains why life on Earth continued following these catastrophes? A Dominant species had a slow mutation rate. B Many species filled the same niche. C A strong species had many different characteristics. D A wide diversity of species existed.
What is "D"
400
Which of the following lacks a nucleus? a. a plant cell b. an animal cell c. an amoeba d. a virus
What is "D" A virus
500
Which of the following structures is NOT found in bacteria? a. Ribosome b. Cytoplasm c. Cell Membrane d. Nuclear Membrane
What is "D" Nuclear Membrane
500
Which of the following organelles use carbon dioxide to produce sugars? a. Vacuoles b. Ribosomes c. Chloroplasts d. Mitochondria
What is "C"
500
Rabbits introduced into Australia over 100 years ago have become a serious pest to farmers. Rabbit populations increased so much that they displaced many native species of plant eaters. What is the most logical explanation for their increased numbers? A Rabbits have a high death rate. B There are few effective predators. C Additional rabbit species have been introduced. D There is an increase in rabbit competitors.
What is "B" there are few effective predators
500
Which of these best illustrates natural selection? A An organism with favorable genetic variations will tend to survive and breed successfully. B A population monopolizes all of the resources in its habitat, forcing other species to migrate. C A community whose members work together utilizes all existing resources and migratory routes. D The largest organisms in a species receive the only breeding opportunities.
What is "A" An organism with favorable genetic variations will tend to survive and breed successfully.
500
Which of the following statements correctly describes meiosis? A Cells divide only once during meiosis. B Meiosis does not occur in reproductive cells. C The cells produced at the end of meiosis are genetically identical to the parent cell. D The cells produced at the end of meiosis contain half the number of chromosomes as the parent cell.
What is "D" The cells produced at the end of meiosis contain half the number of chromosomes as the parent cell.