Biology

Using the law of superposition and the principle of cross-cutting relationships, which of the layers of rock in this image is younger than layer C and closest in age to layer C? A: Layer AB: Layer EC: Layer DD: Layer B
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What impact can planting new trees have on the water cycle? a: More carbon dioxide is released into the atmosphere b: Transpiration increases c: Condensation decreases d: More water infiltrates into the groundWhat is the source of energy for all biogeochemical cycles, including the water cycle? a: winds b: gravity c: the Sun d: volcanic eruptionsWhich of the following statements about the water cycle is TRUE a: Plants do not influence the water cycle b: Precipitation that falls to the ground can end up as groundwater c: The water cycle only continues during daylight hours d: Once water flows into the ground, it is stuck there foreverWhich of the following happens as a result of eutrophication? a: excessive growth of algae b: increased bacterial growth c: decrease in oxygen levels d: all of the above
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The genetic make-up of the offspring is theA.phenotypeB.genotype
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Biodiversity plays a huge part in sustaining our ecosystems around the world.Which of these below is a sustaining role?FGPlant species harness the energy of the sun to fix carbon throughphotosynthesis which provides the base of the food chain.Climate change and other human environmental changesExtinction of many key consumers within the food chain.Global warming at the poles.HJ
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how does the surface area to volume ratio affect the rate of diffusion
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PLZZZZZ HELP MEH!!!!!Which structure mainly functions in intracellular transport?a. Centrioleb. Endoplasmic reticulumc. Vacuoled. Lysosome
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The diagram below shows three families. Which set of parents has the highest fitness?A the parents of the single childB the parents of two childrenC the parents of the big family
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What sort of receptor do skeletal muscle cells use to receive signals from somatic lower motor neurons?a. Nicotinicb.Muscarinicc.Adrenergicd.Mechanoreceptive calcium channels
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match up the answer to the right one, please so confused , hint put a picture
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What is potential energy?Read comment at the bottom
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The cell membrane is ----------in naturea. Highly permeable b. normally permeable c. not permeable d. partially permeable
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Olive oil, a liquid at room temperature, is an example of what type of fatty acid?saturatedwaxunsaturatedStarch
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What sphere refers to water and ice?a. atmosphereb. hydrospherec. lithosphered. biosphereEarth's outermost sphere is called thea. biosphere.b. atmosphere.c. lithosphere.d. hydrosphere.What part of Earth contains rocks?a. Biosphereb. Hydrospherec. Atmosphered. LithosphereWhat of Earth's spheres is composed of a mixture of gases?a. mesosphereb. hydrospherec. atmosphered. biosphereWhat is Earth's hydrosphere?a. the gases in the airb. the solid, rocky part of Earthc. all of the water on the planetd. the study of Earth's atmosphere
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Describe in detail one of the four types of asexual reproduction
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If you have a cube-shaped with 6 sides and each sides 4 cm in length and width what will be the Surface area? Volume? Ratio of surface area to volume?
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discuss the characteristics of phylum mollusca
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What are the characteristics of a foliated metamorphic rock?
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excretory organs and their excretory waste
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Name one piece of evidence to support the theory of evolution.
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Sally, 9-year-old girl, just did an awesome backflip on her trampoline. Instead of landing in a similarly awesome manner, she miscalculated and landed on her neck. Sally stood up with pain in her neck and does not appear to be able to extend her left arm very well. An x-ray shows a fracture of her C6 vertebrae that is compressing down on her C7 vertebrae impacting the spinal nerve located between C6 and C7 vertebrae. Which spinal nerve did Sally likely injure
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Desenvolvimento Sustentvel - 1 Srie do EM- Biologia Habilidades do Currculo Paulista: EF09CI13 Propor iniciativas individuais e coletivas para a soluo de problemas ambientais da comunidade e/ou da cidade, com base na anlise de aes de consumo consciente e de sustentabilidade bem-sucedidas 15/02/21 - 1 srie do EM - Biologia - Desenvolvimento sustentvel O que propem o desenvolvimento sustentvel? A) impossvel sustentar o desenvolvimento B) Pode haver desenvolvimento em harmonia com o meio ambiente C) Para sustentar a indstria necessrio o desenvolvimento em detrimento do meio ambiente
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Please put the following steps of viral infection in order.The virus recognizes and binds to a host cell via a receptor molecule on the cell surface.New viral particles are assembled from the genome copies and viral proteins.The virus or its genetic material enters the cell.Completed viral particles exit the cell and can infect other cells.The viral genome is copied and its genes are expressed to make viral proteins.
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. The Texas Horned Lizard has a blood shooting defense mechanism that shoots outfrom the corner of its eye. The lizard's blood also tastes bad to its predators. If thelizard feels threatened it gives the predator a taste as a warning.Which of these explains the success of the Texas Horned Lizard?A. The lizard displays several adaptations due to a reduction in genetic diversity.B. The lizard inherited traits to provide an advantage defense mechanism that helps it survive.C. The loser inherited on favorable traits that decrease the chance of survival.D. The lizard inherited traits that made a hybrid species that allows it to survive in an extreme environment.
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Which are true about changes in carbon dioxide in the Earth's atmosphere since 1860? Select the two correct answers.A. The increases in carbon dioxide are caused by human activity.B. The increases in carbon dioxide can be explained by the Milankovitch cycle.C. The rate of change in carbon dioxide is exponential.D. The changes are triggered by a new interglacial period.
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