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3 years ago

Why might a baby be born early if the mother smokes?

Biology

1 answer:

TiliK225 [7]3 years ago

7 0

Answer:

Smoking during pregnancy has a number of problems for the mother and the baby. Often, smoking during pregnancy leads to miscarriage or premature birth of the baby. The weight of the baby is also lower as compared to the babies whose mothers do not smoke during pregnancy. As the conditions inside the mother are not safe of the mother smokes, hence babies are often born early for such mothers. The placental might detach early from the uterine tube.

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The total amount of chemical energy produced by autotrophs, such as plants and phytoplankton, is called gross primary production

natima [27]

Answer:

This question lacks options, the options are:

a) Negative primary production

b) Net primary production

c) Secondary production

d) Negative secondary production

e) Positive primary production

The correct answer is b.

The total amount of chemical energy produced by autotrophs, such as plants and phytoplankton, is called gross primary production. The energy that remains after plants use some of the gross primary production to fuel their own metabolism is known as net primary production.

Explanation:

Net Primary Production (NPP) is the value that results from the difference between gross production and respiration of the primary producers themselves. It manifests as growth and / or reproduction. It represents the matter and energy available for the next trophic level, that is, the net primary production is what is left after subtracting the energy that plants use for their metabolism or maintenance (such as breathing, tissue construction and reproduction).

4 0

3 years ago

The constant, dynamic process of continual addition of new bone tissue (bone ____________ ) and removal of old bone tissue (bone

elixir [45]

Answer:

(Bone deposition),

(Bone resorption),

Remodeling

Periosteal ,

Nedosteal,

The compact bone,

Spongy bone.

Explanation:

The constant, dynamic process of continual addition of new bone tissue (bone deposition) and removal of old bone tissue (bone resorption) is a process called bone remodeling. This ongoing process occurs at both the periosteal (outer) and nedosteal (inner) surfaces of a bone.

It is estimated that about nedosteal of the adult human skeleton is replaced yearly. This process does not occur at the same rate everywhere in the skeleton. For example, the compact bone in our skeleton is replaced at a slower rate than the spongy bone.

5 0

3 years ago

5. What two systems are primarily involved in processing food? *

quester [9]

B and D

hoped i helped

6 0

3 years ago

Arms of primates and wings of birds are variations of

dalvyx [7]

Arms of primates and wings of birds are variations of FORELIMBS

8 0

3 years ago

Which group of hormones is responsible for the developments during puberty

zepelin [54]

Gonadotropin-releasing hormone, luteinizing hormone (LH for short) and follicle-stimulating hormone (FSH for short).

EXPLANATION

When your body reaches a certain age, your brain releases a special hormone that starts the changes of puberty. It's called gonadotropin-releasing hormone, or GnRH for short. When this hormone reaches the pituitary gland, it releases two more hormones into the bloodstream: the LH and FSH. Although boys and girls do have these hormones, it depends on their sexual orientation the way these hormones work.

5 0

3 years ago