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sammy [17]
3 years ago
15

The different degrees of sleep and wakefulness through which newborns cycle, ranging from deep sleep to great agitation, are cal

led __________.
Biology
1 answer:
Alecsey [184]3 years ago
7 0
The different degrees of sleep and wakefulness through which newborns cycle, ranging from deep sleep to great agitation, are called states of arousal. These states are regular sleep, irregular sleep, drowsiness, quiet alertness and crying. About eight to nine hours each of an infant's day is dedicated to regular and irregular sleep. So, most of the time of the infant is spent in these states. These are the states where the brain of an infant is developing the important connections for growth and survival. Crying is the means for infants to communicate their needs. Different type of cries would represent different needs of the infant.
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1. Which one lived in Antarctica earlier, the labyrinthodont, the lystrosaurus, or the duck-billed dinosaur? Explain
liubo4ka [24]

Answer:

The correct answer is - The labyrinthodont.

Explanation:

Fossils of These duck billed dinosaur were found in the Antarctica in sands that were 66 to 67 million years old, however these are also found in north America and north Europe.

About 110 million years ago, labyrinthodonts, the dinosaur that are amphibians. These are the animals that were lived in the river valleys of the Gondwana and the rift valley that was located at that time between Australia and Antarctica.

Thus, the correct answer is - The labyrinthodont.

7 0
3 years ago
If a tall plant (TT) is crossed with a short (tt) plant, all of the offspring will be: *
kicyunya [14]
I am pretty sure the answer is D (combination)
7 0
3 years ago
Read 2 more answers
What is the primary objective in a telescope? What two materials can it be<br> made of?
Dennis_Churaev [7]

Answer:

The objective itself is usually a cylinder containing one or more lenses that are typically made of glass; its function is to collect light from the sample.

Explanation:

A telescope mirror can be made from glass that is somewhat less pure than that used to make a lens, since light does not pass through it.

If you have any questions feel free to ask in the comments - Mark

Also when you have the chance please mark me brainliest.

4 0
3 years ago
What color(s)of light will drive photosynthesis by green plan most efficiently?
Anestetic [448]
<h3>C.Green only</h3>

At low light levels, green leaves are most efficient at photosynthesis. But well yeah, in sunny days, red light will work the same as green light

5 0
3 years ago
What is a contor interval
Serga [27]
A contour interval is the lines on a topographic map that state the height (from sea level) of the hill, valley, mountain or the ground level.

6 0
3 years ago
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