Predict the genotypic ratios of the offspring from crossing the following:

Tt x Tt

1:2:1
3:1
9:3:3:1
1:4

Answer:

Use the Weather probeto measure the land-air and ocean-air temperatures. What are these temperatures at this time? 29.1 degrees and 22.2 degrees, respectively. C.

Explanation:

By using the Weather probe to measure the land-air and ocean-air temperatures. It is found that the temperature of land air is found be 29.1°C and the temperature of ocean air is found to be 22.2°C.

A weather probe may be defined as an observation post where weather conditions and meteorological data are considerably observed and recorded under controlled conditions. While weather governs the state of the air and atmosphere at a particular time and place.

According to the context of this question, a weather probe determines a facility, either on land or sea, with instruments and equipment for measuring atmospheric conditions to provide information for weather forecasts and to study the weather and climate.

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Answer:

They excrete pheremones that notify the colony of a situaiton.

Explanation:

Answer:

3

Explanation:

Heterozygous mice at both loci would be BbAa genotype.

B (black) is dominant over b (white) but the presence of A results in agouti.

Crossing two heterozygous:

     BbAa    x    BbAa

Progeny

9 B_A_ - Agouti

3 bbA_ - agouti

3 B_aa - Black

1 bbaa - white

Hence, 3 out of 16 progeny will be black in color.

See the attached image for the Punnet's square analysis of the cross.

Answer:

Trees are generally measured at 4 feet, six inches feet from the ground because trees are generally a bit wider at the bottom where the roots begin to spread, so choosing a point at which all trees are measured is one way to keep documentation consistent. 3.

Explanation:

Answer:

Because trees are generally a bit wider at the bottom, where the roots spread

Explanation:

Answer: False

Explanation:

DNA sequences can be similar for organisms that are related to each other but through various steps of meiosis like crossing over and law of independent assortment we can get genetic variations that lead to slight differences. We can also get differences in DNA sequences due to mutations.

Answer:The major parts of an ecosystem are: water, water temperature, plants, animals, air, light and soil. They all work together. If there isn't enough light or water or if the soil doesn't have the right nutrients, the plants will die.

Explanation:

Answer:

Correct Answer is Brazil

Explanation:

Took the test and got full marks

Answer:

yes low level of atmosphere will not warm. so its cooling

Answer:

C. a species that was unable to adapt and died out

Answer:

The answer is D) 4 haploid daughter cells

Explanation:

Hope this helped Mark BRAINLIEST!!!

Answer:

HIV invades various immune cells (e.g., CD4+ T cells and monocytes) resulting in a decline in CD4+ T cell numbers below the critical level, and loss of cell-mediated immunity − therefore, the body becomes progressively more susceptible to opportunistic infections and cancer.

HIV infects and deletes CD4+ T cells that normally coordinate the adaptive T- and B-cell response to defend against intracellular pathogens. The immune defect is immediate and profound: At the time of acute infection with an AIDS virus, typically more than half of the gut-associated CD4+ T cells are depleted, leaving a damaged immune system to contend with a life-long infection.

Answer:

Hairy skin which helps kakapo's ancestors to live in harsh climate of New Zealand.

Explanation:

New Zealand's early ecology greatly affected the population of kakapo's ancestors because the environmental conditions for kakapo's ancestors are favourable and there is no invasive species which reduces the population of kakapo's ancestors near to extinction. The traits that were selected for the kakapo's ancestors provides ability to live and survive in the temperate and subtropical climates of New Zealand. The flightless trait in this bird is also responsible for its extinction because this bird can't run away from their predators.

Answer:

Explanation:True white noise is a mixture of all the frequencies humans can hear, from about 20 Hz to 20,000 Hz, all going at equal strength at the same time.

Answer:

white noise

Explanation:

Answer:

C

Explanation:

Answer:

C. Cell division

Explanation:

Fertilization results in the creation of a zygote.

Answer:

Explanation:

The purpose of the routine preventive exams is to identify potential health problems in early states when they may be easier to treat.

Answer:

Heart rate i think

Explanation:

Answer:

it should be resting heart rate, but i dont see that as an answer...

The process of photosynthesis positively affects the level of oxygen in the ecosystem. This is because oxygen is the byproduct of the photosynthesis mechanism along with the main product known as Glucose.

Photosynthesis may be defined as a process through which green plants and some photosynthetic algae synthesize their own food in the form of glucose with the help of carbon dioxide and water in the presence of sunlight.

The complete reaction of photosynthesis si as follows:

With the help of this reaction, this is determined that if the rate of photosynthesis increases, the level of oxygen is positively affected which means it is also increasing. It is opposite to the process of cellular respiration which involves oxygen as a reactant.

Therefore, the process of photosynthesis positively affects the level of oxygen in the ecosystem.

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Answer:  the answer to this is D because these rays can show you where the fire is located even if it is enveloped in a cloud of gray and black smoke that prevents you from seeing it.

Explanation:

The electromagnetic waves be used to fight a forest fire should be option D. Infrared images can show hot spots as red areas.

The gamma-ray images should represent hot spots just like the radioactive areas.

The ultraviolet images represent the hot spots just like the fluorescent areas.

Also, these rays should represent where the fire is located also the black smoke prevent you.

hence, The electromagnetic waves be used to fight a forest fire should be option D. Infrared images can show hot spots as red areas.

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Answer; 1 is chemical, 2 is behavioral, and 3 is structural

Answer:

A

Explanation:

1. Gradualism

2. evolution

Answer:1.Gradualism is an evolutionary model that refers to the tiny variations in an organism or in society that happen over time to make a better fit for animals and humans in their environment. These variations allow them to survive and thrive, resulting in a slow and consistent process of change in the whole population.

2.Phyletic gradualism is a model of evolution which theorizes that most speciation is slow, uniform and gradual. When evolution occurs in this mode, it is usually by the steady transformation of a whole species into a new one (through a process called anagenesis).

Explanation:

two, X and Y

XX is typically female, XY is typically male.

Answer: The causes of overfishing can change the size of fish remaining. When too many fish are taken out of the ocean or lakes it creates an imbalance that can erode the food web and lead to a loss of other important marine life, including vulnerable species; like sea turtles corals and seaweed.

Hope this helps :)

Answer:

variation can be caused by mutation and other things

Explanation:

A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light or cigerette smoke

➜ Following are the causes of variations:

Answer:

if this is a true or false, then it is true

Explanation:

Answer:

mechanical weathering

Explanation: