Describe the typical movement of ciliates.

Answers

Answer 1

Answer: Paramecium: This large single-celled protist contains many, many short little "hair-like" structures called cillia, that cover the entire cell. The cillia move like little oars that help the paramecium swim and gather food into it's "food grove". The paramecium appears a light pink in color. Is known as a Ciliate.

Answer 2

Answer:

Answer:

They beat rhythmically to propel the organism.

Explanation:

This is the simple form, the other man has a detailed description, which even I kind of got lost, but he seems to have more knowledge, so if you can understand his better, please give his brainliest

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What idea is Malthus known for?

Answers

ogy of Human Populations: Thomas MalthusThomas Malthus (1766-1834) has a hallowed place in the history of biology, despite the fact that he and his contemporaries thought of him not as a biologist but as a political economist. Malthus grew up during a time of revolutions and new philosophies about human nature. He chose a conservative path, taking holy orders in 1797, and began to write essays attacking the notion that humans and society could be improved without limits.Population growth vs. the food supply
Malthus’ most famous work, which he published in 1798, was An Essay on the Principle of Population as it affects the Future Improvement of Society. In it, Malthus raised doubts about whether a nation could ever reach a point where laws would no longer be required, and in which everyone lived prosperously and harmoniously. There was, he argued, a built-in agony to human existence, in that the growth of a population will always outrun its ability to feed itself. If every couple raised four children, the population could easily double in twenty-five years, and from then on, it would keep doubling. It would rise not arithmetically—by factors of three, four, five, and so on—but geometrically—by factors of four, eight, and sixteen.
Between 1800 and 2000 the human population increased about six-fold. Has the food supply kept pace? Will there be enough food to support the projected population of 9.2 billion in 2050?If a country’s population did explode this way, Malthus warned that there was no hope that the world’s food supply could keep up. Clearing new land for farming or improving the yields of crops might produce a bigger harvest, but it could only increase arithmetically, not geometrically. Unchecked population growth inevitably brought famine and misery. The only reason that humanity wasn’t already in perpetual famine was because its growth was continually checked by forces such as plagues, infanticide, and simply putting off marriage until middle age. Malthus argued that population growth doomed any efforts to improve the lot of the poor. Extra money would allow the poor to have more children, only hastening the nation’s appointment with famine.A new view of humans
Malthus made his groundbreaking economic arguments by treating human beings in a groundbreaking way. Rather than focusing on the individual, he looked at humans as groups of individuals, all of whom were subject to the same basic laws of behavior. He used the same principles that an ecologist would use studying a population of animals or plants. And indeed, Malthus pointed out that the same forces of fertility and starvation that shaped the human race were also at work on animals and plants. If flies went unchecked in their maggot-making, the world would soon be knee-deep in them. Most flies (and most members of any species you choose) must die without having any offspring. And thus when Darwinadapted Malthus’ ideas to his theory of evolution, it was clear to him that humans must evolve like any other animal.

which properties of water plays an important role in the movement of water from the roots to the leaves in plants?

Answers

1) It's Surface Tension

2) Solubility

3) Polarity

Which biomolecule is made of amino acids

Answers

Answer:

Proteins

Explanation:

Proteins are polymers made up of strings of amino acids. Proteins serve many functions in organisms including transport of molecules, structure, cell adhesion and as signaling molecules such as hormones.

Proteins are made from amino acids, which are the building blocks of any protein, chained together in a specific order through peptide bonds.

Which process must the cell undergo to have identical cells at the end of cell division? meiosis mitosis sexual reproduction gamete formation

Answers

The correct answer is Mitosis.

The mitosis is a type of cell division, in which the parent cell produces a similar type of daughter cell. The daughter cells, which are formed by the process of the mitosis would have the same number of the chromosomes and the ploidy of the daughter cells would also be same as the parents. In the sexual reproduction, the process of meiosis result in the formation of haploid cells during the process of gamete formation. Hence, meiosis, sexual reproduction, and gamete formation are incorrect answers.

the cell must undergo the process of mitosis

Which gland of the endocrine and nervous system controls the other glands in the body?

Answers

The pituitary gland is more commonly known as the master gland because it regulates other glands in the body, such as the adrenal glands, ovaries and thyroid. The hypothalamus is what throws signals to the pituitary gland on when to inhibit and stimulate production of hormones.

The hypophysis is more commonly referred to as the master gland because it regulates other glands within the body, such as the adrenal glands, ovaries, and thyroid. The hypothalamus is what throws signals to the hypophysis on when to inhibit and stimulate the assembly of hormones.

Further explanation

Pituitary or Pituitary Gland weighs about 0.5 grams, and its normal dimensions in humans are about 10 x 13 x 6 mm. This gland is in the sphenoid bone cavity - sella turcica -. During embryogenesis, the pituitary develops partly from oral ectoderm and partly from nerve tissue. The neural component arises as an evagination from the base of the diencephalon and grows toward the caudal as a trunk without breaking away from the brain.

The pituitary gland, or pituitary, is a gland that produces certain hormones that act as a controller for various aspects of the human body. Hormones produced by the pituitary help regulate growth, blood pressure, energy production and burning, and various other bodily functions.

Before the pituitary gland produces hormones, the brain will send signals from the hypothalamus as the center of communication between glands. After that, the gland will start producing which then acts as a signal for other glands and organs to regulate their function.

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The hypophysis brainly.com/question/812599

Pituitary Gland brainly.com/question/812599

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Class: High School

Subject: Biology

Keywords: gland, hypophysis, pituitary

A test performed to determine if harmful genes are present in a fetus is
called :
A-diagnostic genetic testing
B- amniocentesis
C- carrier genetic testing
D- preimplantation genetic testing

Answers

Aminocentesis is a test where a sample of amniotic fluid is extracted from the sack surrounding the foetus and tested to see if there are any signs of abnormality.

Other Questions

Which statement is NOT applicable to scientific models?A) Models are a description of nature that can predict things about similar situations. B) Models are too complex to be used by the average person; so they are limited by who can use them. C) Models are testable ideas created by the human mind to tell stories about what happens in nature. D) Models are approximations or a sum of a real system that omits all but most essential variables of a system.

Transpiration is B. The absorption of water through the rootsA. Simple diffusionC. The evaporation of water out of the stomata of plantsD. The evaportation of water out of the roots

Make an argument. What organs need to be irrevocably and permanently damaged for a person to be declared dead? Justify your answer.

The cladogram shows relationships among several mammal species. Which group of modern mammals is the most closely related to elephants?