Biology

Name the MAIN abiotic and biotic factors which affect prairie ecosystemsand describe their effects on those systems.
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3. Describe how and when Earth formed.
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A new type of fish has been discovered. It has vibration receptors on its snout and virtually nonexistent eyes. Based on these characteristics, in which part of the ocean is this fish most likely found?
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how does Sensory Mechanisms impacts the lives of the people living with it?
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Why do you think scouts could hear better through the solid ground rather thanthrough the air?
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1 ptsQuestion 6Talia and Amanda live across the street from each other and they walk to school together every morning. The school is about 3 blocles awayTimeAnalyze the graph above and choose the statement below that is a possible interpretation of the section of the graph from point B to c?They reached the top of a hill and began acceleratingThey slowed down their walk and met up with friendsThey returned home to get their mathematics bookThey waited before crossing a busy street1 ptsQuestion 7CHED
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Why do cells hold chromosomes?
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Help 20 points !*This question is of 4 marks* So please answer long.Q. Describe the double circulation in human beings.
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Pls help me its EMERGENCY.........Answer the question correctly.
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1. Which of the following nonrenewable resources cannot be recycled?A. copperB. ironC. aluminumD. oil
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Which ones goes with organ,organ system, and tissue
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Which best describes what the picture shows?
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Why we should be concerned about the increase in amount of the green house gases in the atmosphere?
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(HELP) A region periodically experiences ample rainfall and ideal temperatures. If thepopulation also experiences little disease at that time, the region is mostlikely to have a(n) ___. a. decreasing food supply b. decreasing population c. increasing popularity d. increasing carrying capacity
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if light is removed from this environment the fish will eventually die explain why
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Arctic ice retreat is threatening many species in this ecosystem. Their resources are being cut and they are needing to find new ways to survive. Do you think in your lifetime you will see drastic effects to the species in this ecosystem and why? Will that affect other ecosystems?
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Use the word bank below to complete the passage below describing mitosis and meiosis. All words will be used at least once and most words will be used more than once.A) diploidB) mitosisC) meiosisD) sister chromatidsE) haploidF) homologous chromosomes1) A male giant panda has 42 chromosomes in its skin cells. This represents the _________ chromosome number. As the animal's old skin cells die and slough off, cells nearby divide through _________ to produce more skin cells. 2) Germ cells within the animal's testicles undergo _________ to replicate themselves and _________ to produce sperm. 3) The cells produced by mitosis in this panda have a _________ chromosome number and are produced after _________ are pulled apart into separate daughter cells.4) The cells produced by meiosis I in this panda have a _________ chromosome number and are produced after _________ have been pulled apart into separate daughter cells. 5) The cells produced by meiosis II in this animal have a _________ chromosome number and are produced after _________ have been pulled apart into separate daughter cells.
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What is the ozone layer? Why is it important to humans?
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how many electrons are in an atom of zirconium?
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What is the danger of combining foods?
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A group of environmentalists was discussing the benefits and drawbacks associated with using fossil fuels. Which argument best fits the conversation?
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Do you think there is a relationship between the amount of rainfall and the resources available to the buffalo to help them survive? If so, what evidence supports your conclusion?
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Which statement about fossils could be used as evidence thatevolution by natural selection has been in effect for millions ofyears?Fossils found in higher layers of rock are older than thosefound in lower layers.Fossils found in lower layers of rock are more complex thanthose found in higher layers. Fossils of current species have been found throughout rocklayers that are billions of years old.0 Fossils of species that no longer exist but are ancestors ofcurrent species have been found in rock layers.
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what is it called when an object changes from a liquid to a solid?
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