Biology

Which three statements describe events in the formation of an ecosystem ina new pond?O A. Algae and plants grow in the water, and small organisms eatthem.B. Soil fills in the pond, and it no longer holds standing water.C. Runoff carries water and organisms into a low place on land.D D. Sunlight reaches the bottom of the pond.
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At which of the following locations in the stream was there most likely a discharge of excess organicmatter into the water?
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How does overexploitation of oceans illustrate the tragedy of the commons ?
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Which of the following statements is correct? Which of the following statements is correct? The sperm and egg have twice as many chromosomes as the parental cells. Geneticists use the terms "son" and "daughter" to distinguish between cells resulting from cell division. Meiosis results in gametes that are used in reproduction. Asexual reproduction requires the production of eggs and sperm.
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Work is done when youA .you lift a bookB .you stand on the floor C .you hold a box D .you push against a wall
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What is the primary source of energy for all food chains?
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Answer could be A.)3/16B.)9/16C.)11/16Or D.)13/16
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Why do flowers have such colorful petals? *A. So you can see them at nightB. To trap insectsC. To scare away predatorsD. To attract animals for pollinationE. Petals don't have color
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why do birds have short necks? pls help :/
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Which of the following would likely lead to competition between the same species?.A. Needing the same biotic factorsB. Needing the same abiotic factors C. Having the same niche in a habitat D. All of the bove
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Which is one way that DNA replication is similar in eukaryotic cells and prokaryotic cells? a number of replication forks b use of the enzyme DNA polymerase c occurs in the cell nucleus d occurs in the cytoplasm
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Choose the best answer for the following question: What kind of information can be gained about an organism from its scientific name? awhat genus it is bwhat species it is cwhere it lives dwhat genus and species it is
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The Mid-Atlantic Ridge is a great example of continental-continental divergent boundary since it shows how the American continents are slowing movingaway from African and Eurasian continents.A. TrueB. False
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What are some of the causes that disrupt the natural balance of the ecosystem?ridding the soil of decomposersremoving predators by huntingoverpopulation of predatorsbreeding hybrid plantsremoving prey by transplantation
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Please help. This test is timed and this course is way too hard. I will mark Brainliest if you have the best answer! No random answers though. Only answer if you actually know the answer. Or else I report you.How do the temperaments of cows and bulls compare?A. Bulls are typically more docile, while cows are more hostile.B. Bulls are more playful, while cows are more unpredictable.C. Bulls are more combative, while cows are more maternally protective.
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Your hand touches something super gooey and icky. In the space below, describe the steps in the neural pathway that leads to pulling your hand out of the goo. Start with the stimulus
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The cytoplasm is the watery fluid found within cells. The cytoplasm holds all of the organelles, except _______, in place within the cell.A. chloroplastsB. mitochondriaC. the nucleusD. vacuoles
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Which greenhouse gas is produced by commercial refrigeration and air conditioning systems?PLESE HURRAHHY IM TIMED :(carbon dioxidefluorinated gasnitrous oxidemethane
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PLEASE HELP I WILL GIVE BRAINLIEST Which of the following is correct about mutations and genetic variation? It must be present in a population before natural selection can act upon the population. It arises in response to changes in the environment. It tends to be reduced when diploid organisms produce gametes and reproduce. It is created by the direct action of natural selection.
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7 reasons plants are important to the environment
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How is it that the order of colors of the rainbow is always the same(ROYGBIV)
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Why does the grass look green under sunlight and black under the moonlight?
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HELP MEA) In what type of ecosystem do turtles lay their eggs?B) some actions of the human being, such as the excessive construction of houses, shops and streets close to the beaches, harm the laying of turtle eggs. Establish a relationship between these actions and the location of the ecosystem where they lay eggs.
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What is ecological succession? Choose the BEST answer. A. how animals evolveB. how environments evolveC. how plants evolve
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