Ultimate Biology Study Guide - Questions & Answers

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. the douglas-fir is a conifer tree that grows in the taiga biome. it has an average height of about 70 feet, and its wood is an important source of lumber. conifer trees along water's edge. photo by anne burgess how has the douglas-fir adapted to enable its survival in the taiga biome? a. low growing b. perennial c. waxy needles d. survive on limited nutrients please select the best answer from the choices provided a b c d
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When chromosomes fail to separate correctly in meiosis, what can occur?Question 24 options:extra chromosomes are found in the sex cellchromosomes of the sex cell are halvedchromosomes of the sex cell are doubled
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Select the two true statements about natural selection.hOnly variations that help individuals avoid predators can become morecommon through natural selection.Natural selection causes advantageous variations to become morecommon over many generations.The result of natural selection in a population depends on the population'senvironment.Natural selection can cause an individual to gain new advantageousvariations during its life.
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how does having a capsule increase the virulence of a bacteria cell? group of answer choices a capsule gives bacteria antibiotic resistance. bacteria with a capsule cannot be phagocytized by immune cells. the capsule speeds up asexual reproduction of the bacteria. the capsule increases bacteria motility.
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which feature is believed to have been the first step in the evolution of land plants from the green algae?
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suppose that the genome of an organism is 23% adenine (a). what should be true about the organism's genome?
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in the euglycemic individual, what percentage of glucose is reabsorbed by the proximal convoluted tubules?
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animals that maintain internal body temperature using heat generated by there own metabliulsims are called
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8. the shifting thermocline limits what ingredients vital for organism populations in the eastern pacific?
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although they occupy less than 1% of the global ocean floor, coral reefs are habitat for more than 50% of marine life. question 17 options: true false
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the number of spinal nerves matches the number of vertebrae in each spinal region, with one exception. what is the exception?
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in a typical waste treatment system that uses ponds in which bacteria break down liquid and solid waste, what is a typical use for the treated waste? produce methane produce methane fertilize farmland fertilize farmland produce electricity produce electricity produce heat to heat farm buildings produce heat to heat farm buildings
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a coyote can alter its diet to match seasonal abundance of plants, fruits, or small animals, and would therefore be considered . question 7 options: an organism with a type ii survivorship curve a specialist, able to specialize on whatever is available at the time a generalist, able to be flexible an endemic, able to be flexible density independent and resource-neutral
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the mouthparts of different insects are used for different purposes. the grasshopper, for example, primarily bites and chews while the honeybee bites and the butterfly sucks nectar. are these structures homologous?
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what are lymphatic nodules? multiple choice regions of bone marrow that produce lymphocytes encapsulated lymphatic organs compact masses of lymphatic tissue
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Suppose that there was an enzyme that cuts bonds between deoxyribose and phosphate groups. what would this enzyme do to a dna molecule?
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Which of the following could cause fewer deaths in a population?A. A decrease in the resource populationB. An increase in the resource population C. A decrease in the consumer population D. Both b and c
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Label the numbered parts of the femur below in the spaces provided
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what would you expect to occur if you streaked 1/2 of an agar plate with s. epidermidis and the other half with penicillium and then incubated for one week? relate this prediction to your results in exercise 1.
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angiosperms use which temporary reproductive structures that are not present in any other group of plants?
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neurotransmitters are released from presynaptic axon terminals into the synaptic cleft by which mechanism?
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which characteristic is shared by algae and seed plants? stomata pollen cell walls cuticle vascular tissue
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which phylum has a larval pluteus form? group of answer choices annelida mollusca echinodermata arthropoda
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