Biology

What can be concluded from the graph?The layers of Earth have different densities.O P and S waves are absorbed in the core.The layers of Earth do not have distinct boundaries.O Pand S waves always originate in the mantle and travel through the core.
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There were many factors that affected people who lived in the Great Plains during the Dust Bowl era. What was the main factor that drove people from the Great Plains?
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Studies have shown that children are especially vulnerable to the effects of ultraviolet (UV) radiation. Tanning beds expose the skin to nearly ten times as much UV radiation as natural sunlight. With that knowledge, a law was passed in some states to prevent individuals under the age of 18 from using tanning beds. Which statement best explains why UV radiation is so harmful?a) It can increase harmful DNA mutations in cells.b) Diseases are all caused by exposure to environmental factors.c) Homeostasis in an organism is increased by the presence of UV radiation.d)UV Radiation decreases the likelihood that mutations will occur.
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1. When did stromatolites appear on Earth?ArcheanHadeanMesozoicProterozoic
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WHERE ARE THE THREE TYPES OF MUSCLES FOUND?
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Organisms that make a product like glucose are: Please answer
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If the base sequence of a strand of DNA is ATGGGCCTA, what would be the base sequence of the complimentary DNA strand?
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Laying eggs belong to which category of energy use? Maintenance, waste production, movement, growth and reproduction
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Explain the differences between Bacteria and Decomposers?
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The rabbit reproduces sexually. If theparent cells have 16 chromosomes,how many chromosomes do the rabbitsex cells have?
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Pollination occurs when pollen lands on the - A. styleB. antherC. stigmaD. filamentE. ovary
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the breakdown of rock material in its current location is known as? A. erosion B. weathering C. deposition D. landslide
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The skeletal system also helps us _____ muscles which are attached to bones by ______ makes our bodies move. Muscles, which are cause the bones to move, which makes our bodies move
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Submit your crime-scene notebook, including responses to the following items:the date of burialpredicted age, sex, and ancestry of victimIs there evidence of trauma? Explain.Is there evidence of disease? Explain.What does the evidence suggest is the cause of death?the historical backgrounda conclusion statementIn addition, submit your number of correct answers for each of the naming exercises and the evidence quiz, as well as the sex, ancestry, and bullet wound of the deceased.
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What types of molecules attach to receptor proteins found in the plasma membrane?
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Which of the following correctly shows one path that energy would flow through this ecosystem?Star grass termite-wildebeest aardvarkOHyena aardvark impala - harvester antGrasshopper termite-Warthog hareORed oat grass termite - wildebeest lion
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4Some toxic compounds are ingested & retained in the tissues. These pollutants pose specialrisks to humans and other organisms high on the food chain because of which process?(3 Points)Dose-responseoCarcinogenesisBiomagnificationSynergismThreshold effect
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The stable stage that is established in an area as a result of the process of ecological succession is known as the A) pioneer organism B) climax community C) biotic stage D) heterotrophic community
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It is difficult to observe individual chromosomeswith a light microscope during prophasebecauseA. The DNA has not been replicated yetB. They are uncoiled, in long, thin strandsc. They leave the nucleus and are dispersed toother parts of the cellD. The spindle must move them to the metaphaseplate before they become visible
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*15 points* Earth ScienceBased on the picture, how many tilting events has this area undergone, and which principle tells us that this area has undergone tilting?
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How do organisms extract and utilize the energy from ATP?
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Jim observes that his pet lizard is more active on warm, sunny days than at night or during rainy days.Which statement is the most valid hypothesis he can make from this observation?Lizards are more active when they feel more comfortable.Lizards like warm temperatures.O If the temperature increases, then lizards become more active.If the lizard is active, then the temperature must be cool.
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When resistant bacteria multiply, what do they pass on to the next generation?
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Which statement concerning the climax stage of an ecological succession is correct? A) It is the first community to inhabit an area. B) It consists entirely of plants. C) It persists until the environment changes. D) It changes rapidly.
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