Which organelle is found in plant cells only? A.7 B.1 C.3 D.6

Answer:

C

Explanation:

Because chromosomes come in pairs, if they weren't in pairs you'd have 46, but since they arent separated its 23. So, the answer is Homologous pairs

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Answer:

A

Explanation:

Answer:

A. Sexual reproduction

Answer:

Over-straining yourself or changing workouts routines

Explanation:

Answer:

1) Recycle and Reuse to Stop Pollution.

2)Avoid Use of Chemicals in Farming.

3)Reduce Waste.

4)Buy Organic Products.

Answer:

7 is A

8 is A

9 is also a

Answer:

yes

Explanation:

yes

The answer is B. the number of cycles per second perceived by the human ear

I got this question right :)

The pitch is the number of cycles per second perceived by the human ear. The correct option is B.

The ability to assess sounds as "higher" and "lower" in the sense associated with musical melodies is known as pitch.

Pitch is a perceptual feature of sounds that allows their ordering on a frequency-related scale.

Pitch in physics refers to a sound wave's specific frequency, which is expressed in Hertz (Hz).

There are two ways in which these frequencies match musical notes. high tone: A high pitch is one that vibrates at a high frequency.

Pitch is a perceptual quantity that depends on the listener, but frequency is a physical quantity that indicates the number of vibrations per second. In truth, our ears perceive pitch rather than frequency.

The pitch is how many cycles per second the human ear can detect.

Thus, the correct option is B.

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Answer:

No, I can't conclude that because there are several factors that influence the expression of a trait (for example, gene drift)

Explanation:

There are several factors that affect the genetic variation of a phenotypic trait in populations with small sizes. Genetic drift is an important evolutionary mechanism by which allele frequencies change in populations, and it is well known that the effects of genetic drift are most pronounced in small populations. Moreover, gene flow -or migration- is an evolutionary factor (stronger in small populations) that is also potentially capable of changing allele frequencies and thus contribute to the overall genetic variation of a phenotypic trait. Finally, environmental factors (for example, abiotic and biotic stresses) may also be associated with the variation of a quantitative trait such as, in this case, ear length.

Answer:

Deoxyribonucleic Acid, or DNA, controls the way cells function. It also determines what type of specialized cells will be made.

Answer:

B

Explanation:

Answer:

do you know what the choices are?

Answer:

Categories of Water Pollution

Groundwater. ...

Surface water. ...

Ocean water. ...

Point source. ...

Nonpoint source. ...

Transboundary. ...

Agricultural. ...

Sewage and wastewater.

Explanation:

Using this framework, the three main categories of water pollution are point-source, nonpoint-source and trans-boundary.

Industrialization, discharge of domestic waste, radioactive waste, population growth, excessive use of pesticides, fertilizers and leakage from water tanks are major sources of water pollution

Answer:

I would answer for you but i don't know it, I hope you find it tho good luck!!

Answer:

Disease can be density-dependent because organisms have to live close enough to one another for the disease to spread.

Answer:

The female part of the flower is called gynoecium or pistil

Explanation:

The female part of a flower is called the gynoecium or pistil. The pistil is located in the center of the flower and consists of three parts: the stigma, style, and ovary.

The stigma is a sticky knob-like structure located  at the top of the pistil. It is covered with a sticky substance so pollen grains will stick to it. It is attached to the long, tubelike structure called the style.

The style is a long  long tubelike structure which connects the stigma to the ovary. The style provides the pathway through which the pollen grains will travel to the ovary in order to fertilize the eggs or ovule

The ovary is the enlarged portion of the pistil found at the base of the pistil. It contains the eggs or ovules.  After fertilization, the ovary develops into the fruit and the ovules become seeds. Based on where the ovary of a plant is located, a plant can be classified as having a superior ovary, an inferior ovary or a half-inferior ovary.

Answer:

Well I was gonna say B

Explanation:

I didnt understand ur question if u thought it was D or if that was a smile face why u would smile but I'm going to say B because the bars on the grill are touching the food and transfering heat

Answer:

I believe its D

Explanation:

because why would it slow down or speed up

The cell that would have the most trouble maintaining homeostasis is cell A. The correct option is a.

Any self-regulating process, such as homeostasis, helps an organism retain stability while responding to environmental factors that are favorable for its survival. If homeostasis is effective, life continues; if it is not, the organism perishes or suffers a catastrophe.

There are three cells in the given which are of different sizes' cell a is 1 cm cell 2 is 2 cm and cell 3 is 3 cm from each side.

Cell A would have the most towel in maintaining homeostasis, says because it is small and growing is one of the terms needed for maintaining homeostasis. If the organism is small it would have difficulty, then the organism is big it would easily maintain the homeostasis of his body.

Therefore, the correct option is a, cell A.

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Answer:

pretty sure its b

Explanation:

The answer for this is A.

Answer:

Due to isolated before mammals evolve.

Explanation:

There are many endemic plants and birds in New Zealand, but no native mammals because New Zealand is an island which isolated from Gondwana which is a supercontinent about 85 million years ago. Before mammals evolved, the New Zealand splits and go away from the Gondwana. So due to water only those mammals that can swim or fly colonized in New Zealand but not the land living mammals.

Answer:

Unstable Weather patters

Explanation:

Pretty Sure

Answer:

The Calvin cycle uses CO2 and the energy temporarily stored in ATP and NADPH to make the sugar glucose. Photosynthesis is a two stage process. As is depicted here, the energy from sunlight is needed to start photosynthesis. The initial stage is called the light reactions as they occur only in the presence of light

Answer: sexual reproduction results in offspring that are genetically unique. They differ from both parents and also from each other.

Answer:

GRAVITY PULL DOWN

Explanation:

Answer:

A and C

Explanation:

kinetic is movement or motion, chemical is the change and our saliva does that

Answer:

they are found throughout the cytoplasm of almost all eukaryotic cells

Explanation:

Answer:

Answer is C - to address the ethical consequences of genomic research

:)

Answer:

The answer is C

Explanation:

Got it right