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Zinaida [17]
2 years ago
12

All of the following are features associated with the earliest members of the genus Homo (e.g., Homo habilis), EXCEPT. Group of

answer choices the making of stone tools a more dextrous, less powerful grip 30% larger brain capacity than previous hominins the making of fire
Biology
1 answer:
aksik [14]2 years ago
6 0

The option which is not one of the earliest members of the genus Homo is : ( D ) The making of fire

<h3>Description of Homo Habilis </h3>

Remains of Homo habilis were first discovered in Tanzania in 1959 and are believed to have lived between 1.5 million years to 2.3 million years, tools made from stones were found close to their remains therefore  scientist believed they had the ability of making tools from stone.

Homo habilis had larger brains and  ape like hand structures which were dextrous.

Hence we can conclude that The option which is not one of the earliest members of the genus Homo is The making of fire.

Learn more about Homo Habilis : brainly.com/question/10275145

#SPJ1

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Sauron [17]
A, i think, hope this helps:)
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3 years ago
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A porcupine has an internal skeleton and a rose has a stem. Write a sentence to explain how these physical structures have diffe
Reika [66]

The Internal skeleton of the porcupine gives shape and structure to the porcupine.

The stem of the rose plant provides support to the plant and serves to transport nutrient and water in the plant.

<h3>What a skeleton?</h3>

A skeleton is a rigid structure found in living organisms which provide structure and shape to the living organism.

Skeletons are found in animals.

Skeletons present in animals are of two types:

  • Internal skeletons also known as endoskeletons
  • external skeletons also known as endoskeletons

The Internal skeleton of the porcupine gives shape and structure to the porcupine. It also serves as a point of attachment to muscles in order to enable movement.

Stems are present in plants.

Stems serve various purposes in plants such as:

  • transport of nutrients and water
  • storage of food and water
  • provides support and structure to the plant.

Thus, the stem of the rose plant provides support to the plant and serves to transport nutrient and water in the plant.

In conclusion, the internal skeleton of animals and the stem of plants both provide shape and structure to the respective organisms.

Leran more about internal skeleton and plant stem at: brainly.com/question/840794

brainly.com/question/11171631

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6 0
2 years ago
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An example of a secondary consumer is a _________.
erastovalidia [21]
A panther because it eats the primary consumer which would be the deer.
an oak tree is the producer (bottom of the food chain)
the deer is the primary consumer because it eats grass which would also be a producer
and the hawk would be the top predator because it eats a snake which would eat a mouse which would feed on a producer :)
6 0
3 years ago
How is it possible for one twin to get skin cancer but the other one doesn´t
tia_tia [17]

Looking at most newborn twins squirm contentedly in their cribs, you'd never guess that some were recently in peril. That's because carrying multiples raises the risks that a woman can suffer complications before she actually delivers.

Many twins are miscarried early in the pregnancy, often before a woman even knows she's pregnant. As reported in the International Journal of Fertility, only about one in eight embryos that starts as a twin is born as a twin. If they do survive, twins are usually born healthy. However, they are still more likely than other babies to have birth defects or to be born prematurely or underweight.

Carrying twins can be hard on you, too. You'll be more likely to develop pregnancy-related high blood pressure or diabetes. And there's a greater likelihood you will have a cesarean section when you deliver.

If you're carrying twins, some simple lifestyle changes and good prenatal care may help you reduce the likelihood of the following complications.

Low birth weight

Because they have to share nutrients and living space, newborn twins tend to be smaller than single babies. Even full-term twins often weigh less than 5-1/2 pounds each, making them vulnerable to a variety of health problems. You can help your babies reach a healthy size by making sure you put on enough weight during pregnancy. Try to eat 300 calories more each day than you would if you had a single baby (about 2,700 calories in total). If you had a healthy weight before pregnancy, you should aim to put on about 35 or 45 pounds.

Unequal size

Twins don't always share equally. In roughly 30 percent all twin births, one baby will be larger than the other. Some studies suggest that if one of your babies is at least 25 percent heavier than the other, one or both of them may be more likely to have breathing problems or need intensive care. Your doctor will track the growth of both your babies throughout your pregnancy. The first signs of unequal growth usually appear in the third trimester.

Twin transfusion syndrome

Twin transfusion syndrome poses a dangerous threat to identical twins who share a single placenta. It's normal for such twins to exchange blood during a pregnancy. But in about 20 percent of cases, one twin starts pumping large amounts of blood to the other twin, putting both of them at risk. In severe cases, the twin receiving the extra blood may develop heart failure while the other twin becomes dangerously anemic. Early diagnosis and treatment can slow the abnormal blood flow and lower the risk of complications.

Birth defects

Birth defects are common in twins, especially identical twins. Taking folic acid before and during pregnancy can help prevent neural tube defects. As reported in the medical journal The Lancet, however, about 10 percent of all identical twins are born with a birth defect such as a heart problem, a shortened limb, a club foot, or a dislocated hip (the conditions listed are linked to having less space in the uterus and would not be affected by folic acid.) Most of these conditions are treatable, however.

Risks to the mother

Your doctor will check you regularly throughout the pregnancy for signs of high blood pressure or diabetes. When detected early, both of these conditions can be controlled before they have a chance to threaten your pregnancy.

Special care

Carrying twins means you'll probably get extra attention from your doctor throughout your pregnancy. The doctor may suggest cutting back on activities between the 20th and 30th week of pregnancy, even if you haven't had any signs of labor. Many physicians also recommend an extra monitoring check on the babies' heart rate and movement, such as an ultrasound or nonstress test. A biophysical profile, which checks on heart rate, movement, and the amount of amniotic fluid in your body, might also be indicated. If you do go into labor prematurely, your doctor may suggest drugs to stop the labor or use corticosteroids to speed up the development of the babies' lungs.

It's possible that you may be able to deliver twins vaginally. But if the labor is difficult, the birth canal is too narrow, or one or both of the infants is in the breech position, you may have to undergo a c-section, in which the babies are delivered through an incision in your uterus. Talk to your doctor about what you can do to prepare for delivery.

Twins are a special challenge, both before birth and after. For now, your job is to stay healthy and get top-quality prenatal care. Two important people are counting on you.

Does this help lol :D

4 0
2 years ago
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What is the answer to this question right there?
Yuki888 [10]
The answer is the answer
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