I need help with this question please

Answer:

➢ In a mercury thermometer, a glass tube is filled with mercury and a standard temperature scale is marked on the tube. With changes in temperature, the mercury expands and contracts, and the temperature can be read from the scale. Mercury thermometers can be used to determine body, liquid, and vapor temperature.

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Answer:

anything observable or measurable

anything observable or measurable

Answer:

Stomata as without the gas not leaving the plant the will eventually die

Answer:

I think its AIDS.

Answer:Both haploid and diploid cells can undergo mitosis. When a haploid cell undergoes mitosis, it produces two genetically identical haploid daughter cells; when a diploid cell undergoes mitosis, it produces two genetically identical diploid daughter cells.

Answer:

its b

Explanation:

To produce a tetraploid plant, the alkaloid colchicine is applied to the terminal bud of a branch. All the cells in the developing branch will be tetraploid (4n) with four sets of chromosomes. This includes cells of the stem, leaves, flowers and fruit. Gametes (egg and sperm) produced by a flower on this tetraploid branch will be diploid (2n) with two sets of chromosomes. A flower on the normal diploid (2n) branch will produce haploid (n) gametes containing one set of chromosomes.

Stages of mitosis in the formation of tetraploid cells. The original mother cell is diploid (2n). During anaphase the chromatids separate and move to opposite ends of the cell. Colchicine causes the dissolution (depolymerization) of protein microtubules which make up the mitotic spindle in dividing cells. This leaves the cell with twice as many single chromosomes (four sets rather than two). When this cell divides, each of the two daughter cells will have fours sets of chromosomes, a total of eight chomosomes per cell. [Note: Spindle poisons such as colchicine are used to prevent tumor cells from dividing in certain chemotherapy treatments.]

The botanical term parthenocarpy refers to the development of the ovary of a flower into a fruit without fertilization. [The biological term parthenogenesis refers to the development of an egg without fertilization.] Fruits that develop parthenocarpically are typically seedless. Some seedless fruits come from sterile triploid plants, with three sets of chromosomes rather than two. The triploid seeds are obtained by crossing a fertile tetraploid (4n) plant with a diploid (2n) plant. When you buy seedless watermelon seeds, you get two kinds of seeds, one for the fertile diploid plant and one for the sterile triploid. The triploid seeds are larger, and both types of seeds are planted in the same vicinity. Male flowers of the diploid plant provide the pollen which pollinates (but does not fertilize) the sterile triploid plant. The act of pollination induces fruit development without fertilization, thus the triploid watermelon fruits develop parthenocarpically and are seedless. Most bananas purchased at your local supermarket came from sterile triploid hybrids. The fruits developed parthenocarpically and are seedless.

Answer:

I got you

Explanation: 359 mya million

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Answer:

A rabbit runs away from a fox that is chasing it is external stimuli

Thirst and hunger are internal stimulation caused by hypothalamus of human brain

Yawning is a process occuring due to low oxygen levels in the blood which is also internal factor

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Answered by: ms115

As temperatures increase, corals lose their symbiotic algae, which provide most of their energy. This is the best description to the effect of coral bleaching on corals. Thus, the correct option is C.

A coral reef is an underwater ecosystem which is characterized by the reef-building corals. Bleached corals are found in the underwater ecosystem which most likely show reduced growth rates, decreased reproductive capacity, increased susceptibility to diseases, and elevated mortality rates than the normal coral reefs. Changes in the coral community composition can occur when the more susceptible species are killed by bleaching events in the ecosystem.

When the conditions such as the temperature change, corals are expelled out the symbiotic algae which is living in their tissues, it is responsible for their colour. A spike of the temperature to 1 to 2°C in the oceans sustained over several weeks which can lead to bleaching, that turns corals white. If the corals are bleached for prolonged periods of time, they eventually die.

Therefore, the correct option is C.

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Answer:

Types of Symbiosismutualism - a mutually beneficial symbiotic relationship.commensalism - a one-sided symbiotic relationship.parasitism - one species lives on, in or with a host species.competition - relationship in which organisms compete for resources.

Answer=

Mutualism, commensalism, and parasitism are the three forms of symbiosis. Symbiotic connections are classified into one of these categories based on the nature of the interaction between organisms. Mutualism is a positive connection in which both species gain from one another.

examples=

-For food and marine resources, sea sponges and coral compete.

-Small animals and jackals share the same water supply.

-In their natural settings, wolves and bears both pursue the same prey.

Answer:

False

Explanation:

it consists of neuron and neuroglia

Answer:

False

Explanation:

It consists of neurons and glial cells

Answer: The answer is c

Explanation:

It always starts with observation sot find out what is going on in the lab.

Answer:

Explanation:

When a solid is heated the particles started to vibrate faster and when it vibrate faster the outer  layer breaks down and change into liquid.So,a solid change into liquid when heat is added.

Hope it helps you:)

Post-school destination literally means your destination after schooling.

Post- means after. Thus, post-school means 'after school'.

Post-school destinations, therefore, refer to where you are heading once you are done with school.

It is a phrase that is often used to describe the transition from one period of schooling to another or a period of schooling to taking up jobs or careers.

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Answer:

It will most likely occur at 8pm

Explanation: I hope you have/had an amazing day today<3

Answer:

8pm

Explanation:

Answer:

clear example of homologous structures is the forelimb of mammals. When examined closely, the forelimbs of humans, whales, dogs, and bats all are very similar in structure. Each possesses the same number of bones, arranged in almost the same way. ... They are analogous structures.

Explanation:

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Answer:

the branch of mechanics concerned with the motion of objects without reference to the forces which cause the motion.

It take over 600 years for primary forest succession to reach the climax, or old-growth, forest. i.e,option D

Succession on land that did not previously have plants, such as soil exposed as a glacier retreats or a new sand bar in a river is called primary succession.

It takes over 600 years to primary forest succession to reach the climax. it includes breakdown of the rocks into soil and plants help in survival of different animal and progress from primary succession to the climax community.

Hence, option 'D' is correct.

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Answer: A. Conservation

Answer:

the disadvantage of binominal nomenclature

Explanation:

Some of the main drawbacks of binomial nomenclature are: If two or more names are actually in use in compliance with the priority rule, the appropriate name will be used first and the other names will end up being synonyms because authenticity is synonymous with the senior.

Answer:

Answer:

1) It eliminates extreme traits, 2) represents a population where most individuals are above average

Explanation:

Disruptive selection is DISRUPTIVE to an ecosystem, making the ecosystem scarcer of extreme traits. Also, a BELL-shaped pattern, where a line slopes upward and then back down, would represent a population that is mostly above average, since the climax is a maximum instead of a minimum. Hope that helps :)

Answer:

Tbh they come from the Male sperm and the Female egg. Once the sperm fertilizes the egg then you have a baby! That's the short and simplified answer

Explanation:

Answer:

1) C

2) C

3) A

4) B

5) A

Explanation:

Hope it helps

Examples of solids are common table salt, table sugar, water ice, frozen carbon dioxide (dry ice), glass, rock, most metals, and wood. When a solid is heated, the atoms or molecules gain kinetic energy .

here's the answer to your question hope it helps you

formula: Fe (C N) 2

Answer:

A. Primary productivity

Answer:

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