If potatoes grow by planting actual potatoes not seeds, where did the first potato come from??

Answer:

prokaryotic: A prokaryote is a single celled organism that does not have a nucleus or membrane bound organelled and its dna is in the cytoplasm. They also cant undergo mitosis because they dont have a nucleus. they are most likely to be unicellular

examples: archea and bacteria

eukaryotic:

A eukaryotic cell is an organism made up of cell that contain their dna in a nucleus. Eukaryotic cells contain membrane bound organelles as well as ribosomes.not all of them are the same though. mst of them are multicellular and go through mitosis

examples: fungi, plants, animals

Answer:

During the process of photosynthesis, light penetrates the cell and passes into the chloroplast. The light energy is intercepted by chlorophyll molecules on the granal stacks. Some of the light energy is converted to chemical energy. During this process, a phosphate is added to a molecule to cause the formation of ATP.

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The units that are most appropriate for measuring the side

of the boxes are meters.

The cube is made up of 6 square faces, 8 vertices and 12 edges. This means that to calculate the area of the cube, the area of a side is determined and then times by 6.

Area of a cube= (length×width) × 6

The length of an object and the distance between two objects are measured in meters and it is an internationally accepted method.

Therefore, the units that are most appropriate for measuring the side lengths of the boxes are meters.

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Answer:

"Nucleic acids are the main information-carrying molecules of the cell, and, by directing the process of protein synthesis, they determine the inherited characteristics of every living thing. The two main classes of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA)."

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The two uses of nucleic acids are as follows;

Nucleic acids are one of the four biomolecules found in living cells.

Nucleic acids are made up of monomers called nucleotides and are of two types namely;

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Answer:

Emotional attachment refers to the feelings of closeness and affection that help sustain meaningful relationships over time. Attachment plays an important role in human connection.

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Answer:

the main difference between the humoral immune response (HIR) and cell-mediated immune responses (CMIR) is : HIR provides immunity against antigens and pathogens in body fluids, while CMIR provides immunity against the body’s own cells that have either become cancerous or infected.

Explanation:

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Answer:

Glacier caves form when ice at the bottom of a glacier comes into contact with volcanically heated rock below. The heat of the rock causes some of the ice to melt into liquid water and flow downhill, creating tunnels under the glacier. As the solid ice melts into liquid water, its molecules gain more freedom to move around. The molecules of liquid water become free to slide around each other.

Explanation:

Hi There. Different between Cockroach and prawn

A major difference between roaches and prawns is size. The prawn will usually grow to 5 inches in length. Occasionally, they can even get longer. On the flip side, roaches mostly stay around 2 inches at their longest.

Explanation:

Prawn is a pises and cockroach is an arthropod.

Cockroaches and prawns aren't identical, but they're very comparable. They each fall under the identical umbrella with regards to their phylum. This species is known as Arthropoda. It suggests that cockroaches and prawns shared a not unusual ancestor hundreds of thousands of years ago.

This scientific taxonomy locations cockroaches and prawns inside the identical species referred to as Arthropoda. Animals taken into consideration as arthropods are characterized with the aid of an exoskeleton, an external skeleton, separated bodies, and jointed limbs. So, even as cockroaches and prawns are not cousins, they're within the same circle of relatives due to these traits.

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Answer:

B. Send out

Explanation:

emit or emitting means for something to discharge. The words "send out" are an example or term of what can be emit

Directional selection increased the frequency of individuals carrying the larger beaks and decreased the frequency of individuals carring small beaks.

Directional selection is a way in which natural selection acts by increasing the proportion of individuals with an extreme phenotypic trait.

This selection presents more frequently in those cases in which interactions between living organisms and the environment modify in the same direction.

How natural selection could cause the population of finches 1 to evolve over time to resemble the population of Finch 2?

In the exposed example, after the drought there were almost no seeds available for finch 1 to feed.

The introduction of a new allele to the population (by mutation or genetic flow) might have produced a few individuals with beaks similar to the one of Finch 2.

This beak was better for feeding. So individuals carrying this beak increased their fitness.

With time, the average size of the beaks was larger. The trait modification was related to the availability of only larger seeds with thick husks.

Eating large seeds with medium or small-sized beaks was impossible, so Finches needed to adapt, developing larger beaks to break bigger and harder seeds and eat the content.

Directional selection was responsible for the rapid change in the finches' beaks size after the drought.

The evolutive force modified the allelic frequencies, increasing the frequency of genetic variants that expressed the larger beak size and declining the frequency of the alleles that expressed smaller beak size.

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Various species of the flowering plant of the genus Chrysanthemum have 18, 36, 54, 72, and 90 chromosomes. The variation is likely due to polyploidy.

Polyploidy can be defined as the number of complete sets of chromosomes in a given cell of an organism.

A diploid organism contains two complete sets of homo-logous chromosomes in its somatic cells.

Many organisms used polyploidy as an evolutionary strategy for adaptation to challenging environmental conditions.

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Answer:What group was likely ancestral to land plants? Because multicellular, freshwater green algae are the closest living relatives of land plants, biologists hypothesize that land plants evolved from multicellular green algae that lived in freshwater habitats.

Explanation:

Answer:

Nothing

Explanation:

They have no common attributes

Answer:

pancreas,adrenal glands,pituitary gland&thyroid

Explanation:

b/c the four major gland of endocrine system is this!

the answer is correct?

Answer: Microbiota on the skin and gastrointestinal tract, wherein commensal bacteria flourish

Explanation: Microbiota on the skin and gastrointestinal tract, wherein commensal bacteria flourish, is an example of commensalism in humans. Fungus Aspergillus grow in the gastrointestinal tract of humans and share commensalism with them. The human GI tract provides a suitable environment to grow without harming the host humans

Answer:

c and b

Explanation:

The two strategies that a rattlesnake use is the snake can move into the shade in order to lose thermal energy to the environment and lower its body temperature, and the snake can move into the sun or sit on a warm rock in order to gain thermal energy and raise its body temperature, the correct option is A and C.

Rattlesnakes employ two primary strategies to conserve energy and regulate their body temperature. As ectothermic creatures, they rely on external factors for thermal regulation. Firstly, they can seek shelter in the shade to avoid excessive heat absorption and lower their body temperature, conserving energy during hot periods.

Secondly, when they need to raise their body temperature, they move into sunny areas or rest on warm rocks to absorb thermal energy from the environment. These behavioral adaptations enable rattlesnakes to maintain their physiological functions effectively without expending excessive energy, allowing them to survive and thrive in a wide range of habitats with varying temperatures, the correct option is A and C.

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The complete question is:

Which two strategies can a rattlesnake use to conserve energy and regulate its body temperature?

A. The snake can move into the shade in order to lose thermal energy to the environment and lower its body temperature.

B. The snake can shiver in order to increase its metabolism and raise its body temperature.

C. The snake can move into the sun or sit on a warm rock in order to gain thermal energy and raise its body temperature

D. The snake can sweat in order to produce water that will evaporate off its skin and lower its body temperature.

Answer:

Changing the pH will affect the charges on the amino acid molecules. Amino acids that attracted each other

Answer:

Changes in pH affects an enzyme because the level of acidity or alkalinity in enzymes varies, therefore enzymes tend to support one aspect of the pH.

Alpha-linolenic acid and linoleic acid are classified as essential fatty acids. They cannot be synthesized by the body.

Essential fatty acids are a special type of fatty acids that cannot be synthesized by the body.

Therefore, the essential fatty acids need to be ingested in the diet, i.e., they must be obtained from foods.

The two major families of essential fatty acids include omega-3 fatty acids and omega-6 fatty acids.

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Answer:

Aldosterone release is stimulated by a decrease in blood sodium levels, blood volume, or blood pressure, or an increase in blood potassium levels. It also prevents the loss of Na+ from sweat, saliva, and gastric juice.

Explanation:

Sweat is a type of perspiration method by which the body temperature is regulated. The reason for the sweat not evaporating is the relative humidity of 95%.

Humidity is the amount of water vapours present in the atmosphere that are not directly visible and plays an important role in climate and weather.

When the humidity of the environment is more than the water vapour from the sources like sweat, leaves, or any other steaming substances will not evaporate as the water content in the atmosphere is already high.

Therefore, option D. A relative humidity of 95% is the reason that sweat will not evaporate.

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Adaptive social behaviours are animal behaviour they adapt in species community. It occurs among the same species, increases animals reproduction and is determined by natural selection.

The species of the organism exhibits a social adaptive behaviour among themselves to protect, reproduce, and survive. Aminals like insects, mammals and birds show adaptive social behaviours among their species.

This behaviour affects the reproduction of the species of the ecosystem and is subject to natural selection. An example of this behaviour is a group of ants together carrying food particles.

Therefore, option a. among species, c. determined by natural selection and d. increases reproductive chances are the characteristics of adaptive social behaviour.

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Answer:

A, C, D

Explanation:

Occurs among members of the same species

is determined by natural selection

increases an animal's likelihood of reproducing

got 100% on edge quiz

Answer:

All of the above.

Explanation:

I just took the test.

Answer:30.6

Explanation:

1. 13= 270 (.5)^t/7

2. 13/ 270=270 (.5)^t/7/270

3. 0.0481481=(.5)^t/7

4.log (0.0481481= log ((.5)^t/7)

5. 7 log (0.0481481)/ log(.5)= t log (.5) /log (.5)

6. t= -9.2219429/-0.30103

t= 30.63463

t= 30.6 minutes

Answer:

Ciliated epithelium performs the function of moving particles or fluid over the epithelial surface in such structures as the trachea, bronchial tubes, and nasal cavities. It often occurs in the vicinity of mucus-secreting goblet cells.

Gratitude Attitude: THANKS!

Answer:

Explanation:

To identify the different variables from this experiment, we must first understand what the different types of variables depict.

Independent variables are those variables that do not rely on the conditions of the experiment. They are what causes the experiment to proceed the way we want.

Dependent variables are the variables that rely on the effect of the independent variables. They are what we are actually testing for.

Controlled variables are the variables that are constant in an experiment and their outcomes are used to checkmate an experiment.

In the experiment by Justin:

Independent variable: water, coffee, milk

dependent variable: garden growth

controlled variable: fertilizer

Answer:

Energy (calories) and protein are essential in pubertal development. Adolescent females require approximately 2200 calories/day, whereas male adolescents require 2500-3000 calories/day. Additional intake requirements include fat, calcium, iron, zinc, vitamins, and fiber.

Answer:

Yes

Bone marrow is the spongy tissue inside bones that produces blood cells. Bone marrow produces red blood cells, platelets, and white blood cells. Lymphocytes are produced in the marrow, and play an important part in the body's immune system.

Explanation:

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