EOCT Quiz 8 35 Questions Created by Brandy

EOCT Quiz #8 35 Questions Created by Brandy Mc. Clain

#1. Which of the following is the best evidence that this bird is nocturnal? a. The size of its eyes b. The shape of its beak c. The thickness of its feathers d. The length of its talons

#2. In rabbits, short fur (F) is dominant to long fur (f). According to the Punnett square, what is the chance of two heterozygous short-haired rabbits having offspring with short fur? a. b. c. d. One in four Two in four Three in four Four in four

#3. Which level of this food pyramid represents the largest biomass? a. b. c. d. Bass Minnows Copepods Algae

#4. Which macromolecules are the primary energy source for organisms? a. b. c. d. nucleic acids proteins carbohydrates lipids

#5. According to this chart, the insects that are most closely related are the — a. b. c. d. Springtails and bristletails Springtails and proturans Bistletails and mayflies Dragonflies and proturans

#6. According to this table, a codon AGC is the code for which amino acid? a. b. c. d. Cysteine (Cys) Leucine (Leu) Serine (Ser) Tyrosine (Tyr)

#7. Which of these is most closely related to the oak weevil? a. b. c. d. A B C D

#8. Homeostasis is the maintenance of a relatively stable internal environment. Cells have several mechanisms that regulate their internal environments. Which of these mechanisms of cellular homeostasis expends energy? a. b. c. d. Osmosis Passive transport Active transport Diffusion

#9. According to the graph, addition of the enzyme amylase causes the reaction to — a. b. c. d. Speed up Give off heat Take in heat Slow down

#10. According to this simplified water cycle, the process of transpiration is the process that— a. b. c. d. Releases water vapor from plants Increases the rate of the water cycle Speeds the evaporation of water Causes photosynthesis in plants

#11. In the graph, what is the population of deer at the carrying capacity of the environment? a. b. c. d. 30 10 50 70

#12. An experiment is designed to clear an oak-hickory forest and replant the area with pines. Which of the following species would be most threatened by this experiment? a. b. c. d. Hooded warbler Summer tanager Cardinal Field sparrow

#13. The above chart shows vertebrate embryo development. Which of these would be least related to the others? a. b. c. d. 1 2 3 4

#14. Eutrophication of a lake occurs when a. Algal and bacterial populations grow quickly with nutrients being washed into waterways b. Photosynthesis organisms are limited c. The diversity of its species increase d. Oxygen levels in the water increase

#15. Amoeba and paramecium belong to this kingdom: a. b. c. d. Eubacteria Fungi Protista Animalia

#16. Scientists have discovered a new species of bird. Which would provide the BEST basis for classifying this species? a. b. c. d. Cell structure Habitat Method of reproduction DNA comparasion

#17. Structures with no current biological function that are remnants of an organism’s evolutionary past are called a. b. c. d. Vestigial structures Analogous structures Homologous structures Fossil structures

#18. Which of the following is a biotic factor that would affect the population of trout in a stream? a. b. c. d. Sunlight Water temperature Water level Predators

#19. The digestion of pizza, the light reactions in photosynthesis, and the removal of a stain by laundry detergent all require ____, which are biological proteins that lower the activation energy for chemical reactions. a. b. c. d. Enzymes Antibiotics Carbohydrates Nucleic Acids

#20. Bacteria populations in a petri dish will go until the food source runs out. This type of growth is called: a. Exponential growth b. Carrying capacity c. Predator/prey growth d. Homeostasis

#21. What process accounts for species diversity because it offers genetic variation? a. b. c. d. Mitosis Meiosis Predation Symbiosis

#22. Which two organisms are MOST closely related? a. b. c. d. Birds & Snakes Crocodiles & Lizards Birds & Lizards & Snakes

#23. Like the camel, many animals that live in soft sandy areas have large wide feet compared to their body size. The large feet are an advantage in these environments because they — a. are rapidly toughened by sharp sand grains b. reduce the vibrations caused by walking c. distribute body weight over a large area so they don’t sink into the sand d. allow rapid digging in the sand

#24. An enzyme known as amylase is found in the saliva of humans. This enzyme helps to begin the process of digesting starch molecules in the foods we eat. Which of these BEST describes how enzymes like amylase help in the process of digestion? a. b. c. d. Amylase acts as a buffer to keep the p. H of foods at a consistent level. Amylase breaks down the food molecules directly by forming powerful acids. Amylase is a catalyst that speeds up the chemical process of breaking down food molecules. Amylase contains the DNA molecules necessary to assemble the proteins needed for digestion.

#25. Most organisms break down sugar to produce usable energy through the process of a. b. c. d. Cellular respiration Photosynthesis Transpiration Diffusion

#26. The nonpoisonous eastern scarlet snake has colored bands that closely resemble the very venomous coral snake. This selective adaptation provides the eastern scarlet snake with — a. b. c. d. increased feeding opportunities increased breeding opportunities a method of avoiding predation the ability to attract prey

#27. Cactus have thorns and small hairs on plant stems and leaves help to protect it from animals eating them. These thorns & hairs are an example of a(n): a. b. c. d. Vestigial structure Homologous structure Pioneer species Adaptation

#28. These organisms live in extreme environments like in volcanoes and hydrothermal vents: a. b. c. d. Fungi Eubacteria Archabacteria Protozoans

#29. Very large ears on animals that live in hot climates are an adaptation for: a. Preventing dirt from getting into their eyes b. Fanning themselves c. Hearing prey d. Releasing heat and cooling the body

#30. Which of the following statements describes the process of natural selection? a. b. c. d. Populations sharing the same gene pool interbreed and create new species. New species are formed via genetic engineering. Individuals survive that have inherited traits adapted to their environment. Farmers select animals with desirable variations for breeding.

#31. Most of the ATP made during cellular respiration is produced in a. b. c. d. Mitochondria Ribosomes Lysosomes Vacuoles

#32. Paramecium have contractile vacuoles that draw in or release water from the cell. The purpose of this is to: a. b. c. d. Aid in moving and swimming Maintain homeostasis Aid in catching prey Store proteins