Chat with us, powered by LiveChat 1.The growth of a plant is indeterminate. This means thatA) plant growth does no | WriteMoh

1.The growth of a plant is indeterminate. This means thatA) plant growth does no

1.The growth of a plant is indeterminate. This means thatA) plant growth does not stop at a certain size.B) plants do not have specialized tissues.C) plant growth is not regulated by hormones.D) plant growth occurs at a constant rate all year.2.For your final examination before you receive your degree from Penn State, you have been givena slide that contains an unknown tissue from a multi-cellular eukaryote. You have been asked toidentify if that tissue is from an animal, a fungus, or a plant. As you stare through the microscopeat the slide, you remember that you learned the major differences between these cells in Biology11. You look for the presence of ______, found only in plant cells, and the absence of ______,never seen in animal cells. The cells that you are looking at have a cell wall and do not havechloroplasts. You confidently circle ______ on the answer sheet. Biology 11 has saved the day!A) chloroplasts; mitochondria; animalB) mitochondria; chloroplasts; animalC) chloroplasts; cell walls; fungusD) mitochondria; cell walls; fungus3.Competition between species can be reduced as a result of character displacement. This isbecauseA) one of the species becomes extinct.B) the species will no longer compete for the same resource.C) the niche of at least one of the species is changed.D) Both B and C are correct.4.As energy flows through the food web in an ecosystem, the amount of energy that is transferredfrom one trophic level to the next trophic levelA) increases.B) stays the same.C) decreases.D) may increase or decrease, depending upon the system.5.All of these organs are part of the digestive system except theA) pancreas.B) kidney.C) tongue.D) stomach.6.Autotrophs are organisms thatA) obtain energy by breaking down tissues of organisms that have died.B) harness external energy sources to produce complex chemical compounds.C) depend directly on primary producers for their energy and nutrients.D) eat other autotrophs to obtain energy.7.Which of the following could be considered to be both a biotic and abiotic component of anorganism’s environment?A) sunlightB) temperatureC) waterD) metabolic wastes8.Peristalsis describes the action of the _______ the digestive tract as food moves through thesystem.A) cells liningB) muscles surroundingC) blood vessels supplyingD) mucus secreted by9.When a person’s diet is missing a certain nutrient or nutrients, they are said to be______________.A) undernurishedB) malnurishedC) anorexicD) all of the above are true10.Which of the following gives the correct order for energy flow through an ecosystem?A) primary producers ? secondary producers ? tertiary producersB) primary consumers ? primary producers ? secondary producersC) secondary consumers ? primary consumers ? primary producersD) primary producers ? primary consumers ? secondary consumers11.Which of the following would not be true of a wind pollinated species of plant?A) It would produce large amounts of pollen.B) It’s flowers would produce large amounts of nectar.C) Members of the species would grow relatively close together.D) It would produce small, inconspicuous flowers.12.Chemosynthesis refers to a process that is carried out byA) almost all plants.B) bacteria that live at deep-sea hydrothermal vents.C) plants specialized to live in the desert.D) fungi in tropical rain forests.13.Of the 20 amino acids required by human beings, nine of these are considered to be essentialamino acids becauseA) all human carbohydrates contain these nine amino acids.B) these nine amino acids are the only ones used in human proteins.C) humans cannot synthesize these nine amino acids.D) these nine amino acids are lacking in animal-based foods.14.Plants use their roots to acquire nutrients from the soil. Minerals must enter the roots through____________ while water enters roots through ___________.A) active transport; active transportB) osmosis; active transportC) active transport; osmosisD) osmosis; osmosis15.If a population is in equilibrium, theA) birth rate will be greater than the death rate.B) number of individuals will increase each year.C) birth rate will be equal to the death rate.D) number of individuals will decrease each year.16.Which of the following is not a characteristic of animals?A) multicellularityB) heterotrophyC) active movementD) cell walls17.Which one of the following aspects of plant biology is not directly involved in maintaining anadequate supply of water for the entire plant?A) phloemB) rootsC) xylemD) transpiration pull18.Which sequence gives the correct order of the levels of organization (lowest to highest) inmulticellular animals?A) organ systems – organs – cells – tissuesB) tissues – cells – organs – organ systemsC) cells – tissues – organ systems – organsD) cells – tissues – organs – organ systems19.The fundamental niche of an organism is determined by ______ factors, while the realized nicheis determined by ______ factors.A) biotic; abioticB) abiotic; bioticC) biotic; bioticD) abiotic; abiotic20.Which of the following statements best describes a commensal symbiotic relationship betweentwo species?A) Both species benefit.B) One species benefits and the other is unaffected.C) One species benefits and the other is harmed.D) Both species are harmed.21.The ability of plants to respond to light by growing toward a light source is an example ofA) geotropism.B) photoperiodism.C) phototropismD) thigmotropism22.Which of the following aided the colonization of land by plants?A) alternation of generationB) plant/fungal associationsC) auxinD) none of the above23._______ is the pigment that allows plants to respond to changes in daylength.A) ChlorophyllB) AuxinC) MelaninD) Phytochrome24.Which structure(s) do most plants use to acquire the energy that they need for cellular processes?A) the rootsB) the leavesC) the stemD) all of the above structures are used by plants to acquire energy25.When they winter in Central and South America, robins form flocks and feed on fruit. During thesummer, they migrate to North America, where they feed on caterpillars, earthworms and otheranimals. These birds are best described asA) herbivores.B) omnivores.C) detrivores.D) carnivores.

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