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The meaning of VACILLATE is to waver in mind, will, or feeling : hesitate in choice of opinions or courses. How to use vacillate in a sentence. Synonym Discussion of Vacillate.
All you need to know about "VACILLATE" in one place: definitions, pronunciations, synonyms, grammar insights, collocations, examples, and translations.
- Lisa Bartee, Walter Shriner, Catherine Creech
- 2017
- Order. Organisms are highly organized, coordinated structures that consist of one or more cells. Even very simple, single-celled organisms are remarkably complex: inside each cell, atoms make up molecules; these in turn make up cell organelles and other cellular inclusions.
- Sensitivity or Response to Stimuli. Organisms respond to diverse stimuli. For example, plants can bend toward a source of light, climb on fences and walls, or respond to touch (Figure 2).
- Reproduction. Single-celled organisms reproduce by first duplicating their DNA, and then dividing it equally as the cell prepares to divide to form two new cells.
- Growth and Development. All living things increase in size and/or change over their lifespan. For example, a human grows from a baby into an adult and goes through developmental processes such as puberty.
Sep 9, 2024 · Homeostasis is any self-regulating process by which an organism tends to maintain while adjusting to conditions that are best for its survival. If homeostasis is successful, continues; if it’s unsuccessful, it results in a disaster or of the organism. The “stability” that the organism reaches is rarely around an exact point (such as the ...
- The Editors of Encyclopaedia Britannica
- Body temperature control in humans is one of the most familiar examples of homeostasis. Normal body temperature hovers around 37 °C (98.6 °F), but...
- A familiar example of homeostatic regulation in a mechanical system is the action of a thermostat, a machine that regulates room temperature. At th...
- The concept of homeostasis has also been used in studies of ecosystems. Canadian-born American ecologist Robert MacArthur first proposed in 1955 th...
Vacillate definition: to waver in mind or opinion; be indecisive or irresolute. See examples of VACILLATE used in a sentence.
Jan 15, 2021 · Definition. The circulatory system, also known as the cardiovascular system, consists of the organs and fluids that transport materials like oxygen and nutrients throughout the body. All vertebrates have a closed circulatory system in which the blood plasma and cells remain within blood vessels. This is opposed to an open circulatory system in ...
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Nov 6, 2020 · A eukaryotic cell contains membrane-bound organelles such as a nucleus, mitochondria, and an endoplasmic reticulum. Organisms based on the eukaryotic cell include protozoa, fungi, plants, and animals. These organisms are grouped into the biological domain Eukaryota. Eukaryotic cells are larger and more complex than prokaryotic cells found in ...
