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What's the layer of material found at the innermost part of wood? A. Sapwood B. Heartwood C. Vascular cambium D. Cork cambium
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Asked 7/12/2018 5:29:47 PM
Updated 7/12/2018 7:05:00 PM
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Janet17 [7/12/2018 7:03:25 PM]
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User: What's the layer of material found at the innermost part of wood? A. Sapwood B. Heartwood C. Vascular cambium D. Cork cambium

Weegy: Heartwood is the layer of material found at the innermost part of wood.
Score .9562

User: Unlike monocots, dicots have A. fibrous roots. B. vascular bundles arranged in a ring. C. parallel veins in leaves. D. floral parts in multiples of three.

Weegy: Unlike monocots, dicots have vascular bundles arranged in a ring.
Expert answered|Score 1|destle6|Points 14186|

User: Which best explains the circulation system within mammals? A. Mammals use a closed, double-loop circulatory system aided by a four-chambered heart. B. Mammals use a closed, single-loop circulatory system aided by a three-chambered heart. C. Mammals use an open, double-loop circulatory system aided by a four-chambered heart. D. Mammals use a closed, single-loop circulatory system aided by a four-chambered heart.

Question
Asked 7/12/2018 5:29:47 PM
Updated 7/12/2018 7:05:00 PM
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This answer has been confirmed as correct and helpful.
Janet17 [7/12/2018 7:03:25 PM]
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Mammals use a closed, double-loop circulatory system aided by a four-chambered heart. -best explains the circulation system within mammals.
Added 7/12/2018 7:05:00 PM
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Within a single use of the scientific method, which of the following steps can only be performed after data is collected? A. The initial hypothesis is formed. B. Controls and variables are chosen. C. The initial experiment is designed. D. Conclusions are drawn.
Weegy: Within a single use of the scientific method, the following steps can only be performed after data is collected: Conclusions are drawn. User: Ecology involves the study of all of the following except for the interactions between A. individual organisms. B. atoms. C. individual organisms and their environment. D. populations. Weegy: Ecology involves the study of all of the following except for the interactions between: ATOMS. User: Which of the following steps is an important part of the process by which ecology guides humans to a sustainable future? A. The causes behind problems aren't identified or studied. B. The problems plaguing ecology are ignored. C. Behavior remains unchanged after the root of a problem is identified. D. Behavior is changed after the cause of the problem is identified. Weegy: Behavior is changed after the cause of the problem is identified, is an important part of the process by which ecology guides humans to a sustainable future. User: As a group, living things must be able to do all of the following except A. obtain and use energy. B. respond to their environment. C. grow and develop. D. remain without change over time. Weegy: As a group, living things must be able to do all of the following except remain without change over time. User: Which of the following is not an accurate description of chemical reactions? A. Chemical reactions that take in energy never need a source of energy to start. B. During chemical reactions, bonds can be broken or formed. C. The rates of chemical reactions can vary. D. During chemical reactions, energy can be released or used up. (More)
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Updated 4/20/2020 2:57:07 PM
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Chemical reactions that take in energy never need a source of energy to start is not an accurate description of chemical reactions.
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Unlike secondary succession, primary succession A. proceeds at a much faster rate. B. leads to an increased number of different species over time. C. occurs in an area where existing communities still exist. D. has the challenge of occurring in areas where no community exists at all.
Weegy: Unlike secondary succession, primary succession: has the challenge of occurring in areas where no community exists at all. User: Suppose there are 500 units of energy available at the producer level of the energy pyramid. Approximately how many units of energy are available to the first-level consumer? A. 1 B. 50 C. 100 D. 5 (More)
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Updated 4/20/2020 2:57:56 PM
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Suppose there are 500 units of energy available at the producer level of the energy pyramid. Approximately 50 units of energy (10%) are available to the first-level consumer.
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Which of the following is not a part of the peer review process or its result? A. Allowing scientists to share ideas through published work B. Ensuring that work meets the standards of the scientific community C. Enabling scientists to review each other's work in publications D. Making sure that a piece of work is correct and includes bias
Weegy: Making sure that a piece of work is correct and includes bias is not a part of the peer review process or its result. User: Which of the following pairs accurately connects a macromolecule to its monomer? A. Carbohydrates–amino acids B. Nucleic acids–nucleotides C. Proteins–nitrogenous bases D. Lipids–phosphate groups Weegy: Nucleic acids-nucleotides is a pair which accurately connects a macromolecule to its monomer. User: Which big idea in biology revolves around the idea that all life forms on Earth are connected and linked to one another as well as the land, water, and air around them? A. Interdependence in nature B. Structure and function C. Science as a way of knowing D. Information and heredity (More)
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Updated 4/20/2020 2:58:35 PM
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Interdependence in nature revolves around the idea that all life forms on Earth are connected and linked to one another, as well as the land, water, and air around them.
Added 4/20/2020 2:58:35 PM
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Which of the following can be said about the use of agriculture? A. It bears no effect on the environment. B. It prohibited the use of machinery. C. It stunted the growth of civilization and development. D. It has included practices that led to pollution of soil and water.
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Updated 1/19/2020 1:11:47 PM
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It has included practices that led to the pollution of soil and water can be said about the use of agriculture.
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Which of the following statements accurately describes enzymes? A. Many different types of substrates with different shapes can bind to a single enzyme. B. Enzymes slow chemical reactions. C. Enzymes increase the activation energy of reactions. D. Temperature and pH can affect how enzymes work.
Weegy: Temperature and pH can affect how enzymes work -accurately describes enzymes. User: Which of the following is NOT true about performing biological investigations? A. Scientists are trained to conduct their investigations safely. B. Reading and understanding the steps before conducting an experiment is necessary for safety. C. Most scientists do not use the metric system or SI. D. The metric system and the revised SI are based on multiples of 10. (More)
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Updated 2/20/2021 3:59:01 PM
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Most scientists do not use the metric system or SI is NOT true about performing biological investigations.
Added 2/20/2021 3:59:01 PM
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