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Pepsi [2]
3 years ago
15

After you decide what information to collect in a descriptive investigation, you need to _____.

Biology
2 answers:
Law Incorporation [45]3 years ago
6 0

Answer:

Make Observations

Explanation:

i hope you have a great day and have a wonderful weekend

Serggg [28]3 years ago
3 0

Answer:

Make Observations is your answer

Explanation:

Mark brainiest please

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A horseshoe crab has changed little in approximately 200 million years of existence. With reference to the process of natural se
Yakvenalex [24]

Answer:

Naturalists noted that in contaminated industrial areas, contrary to what happened in non-industrial areas, dark forms predominated over clear ones. Why do dark variants leave more descendants than light ones? As soon as we analyze the ecological niche of this species a little, we realize that there are many interactions of all kinds that can determine the biological efficacy of a moth. The ability to capture food, the avoidance of predators, the success in the mating of the males, the fecundity of the females, etc., can be some of the factors. Perhaps dark-colored females are more fertile than light ones. It seems unlikely, however, that there is a relationship between the degree of pigmentation of the body and the number of eggs that a female can leave. Perhaps dark males are more successful in mating than light males. It's possible. A significant fact is that the soot of the factories kills the gray-light lichens that inhabit the bark of the trees, where these moths spend much of their time, and blacken it. This evidence suggests that perhaps dark forms are less conspicuous in the environment in which they develop (the bark of trees) than clear ones, so that predators (birds) preferentially capture the latter. Following this reasoning, the British H. B. D. Kettlewell carried out a series of experiments that demonstrated that dark forms camouflage themselves better than predatory birds than clear ones in tree bark, being favored by selection. Therefore, the dark color is an adaptation because its carriers survive longer - they are less predatory - than those of light color. The adaptations, those properties of the organisms that so often fascinate us, are those characteristics that increase their frequency in the population due to their direct effect on survival or the number of descendants of the individuals who carry it. Adaptations are thus an intrinsic product of natural selection. What determines that a variant is an adaptation? The ecological context of each population. Thus, while dark forms are favored in contaminated areas, light forms, on the contrary, are mimetic in uncontaminated areas, being here those selected in favor. Adaptation is not an invariable, or absolute, but contingent property, a function of each ecological context. There is no a priori a phenotype, a clear or dark, better. We must always go to the ecological context of each species to know the cause of an adaptation. And this is another essential aspect of Darwinism, the contingency of its products, its dependence on the environmental contexts through which species pass through their evolutionary history and which are unpredictable.

6 0
3 years ago
DAILY Science
zvonat [6]

Answer: i cant find my glasses but as soon as i do i will

help

Explanation:

thank you

8 0
3 years ago
In the atom, which particles are in constant motion around the nucleus?
scoundrel [369]

Answer:

Electrons

Explanation:

According to the modern atomic theory, atoms are made-up of smaller subatomic particles in the nucleus. The nucleus contains two types of subatomic particles, protons and neutrons. The protons have a positively electrical charge and the neutrons have no charge. The electrons have a negative electrical charge and are able to move around the nucleus. An atom usually contains an equal number of positively charged protons and negatively charged electrons. This makes the atom itself electrically neutral. The electrons exist at different energy levels, called shells, around the nucleus where they revolve freely in a constant motion.

5 0
2 years ago
What affects the volume and pitch in sound waves? *please help!*​
Leokris [45]

Answer:

the volume increases in amplitude of the sound wave. Pitch is seen as a change in the frequency

Explanation:

is this what you were asking for?

5 0
2 years ago
In this simple food chain, the organism that converts solar energy into usable chemical energy is missing. That would be the
lesya [120]

Answer:

In this simple food chain, the organism that converts solar energy into usable chemical energy is missing. That would be the producer

Explanation:

Only producer which is the plant make use of sunlight and convert it to chemical energy for production of food

4 0
3 years ago
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