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nydimaria [60]
3 years ago
14

Most of the major advances in marine biology have come in the last 200 years. What do you think are the reasons for this?

Biology
1 answer:
Arte-miy333 [17]3 years ago
7 0
Bc they need help and they want it too keep going
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Inpropper fractions​
dexar [7]

Answer:

If you r asking WHAT an Improper fraction is  

Explanation:

An improper fraction is a fraction in which the numerator (top number) is greater than or equal to the denominator (bottom number). Fractions such as 65 or 114 are “improper”.

5 0
3 years ago
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Artificial selection is another name for
Juliette [100K]

Answer: selective breeding which means whenever a farmer picks out certain traits for an animal for it's specific environment or skills dey will need to live dere.

Explanation:

6 0
3 years ago
What are the similarities and differences between the low-light seedlings and the moderate-light seedlings?
Natalka [10]

The similarities between the low-light seedlings and moderate-light seedlings are the amount of chlorophyll until 12 hours and the differences suddenly increase after this period.

<h3>What is photosynthesis rate?</h3>

The photosynthesis rate is the amount of photosynthetic products (i.e., glucose) that generates by a plant in a given unit of time, which depends on the amount of chlorophyll.

In this case,  low-light seedlings and moderate-light seedlings produce amount of chlorophyll at a similar rate until 12 hours, while the maximized value for moderate-light seedlings and low-light seedlings is 48 hours.

In conclusion, the similarities between the low-light seedlings and moderate-light seedlings are the amount of chlorophyll until 12 hours and the differences suddenly increase after this period.

Learn more about the photosynthesis rate here:

brainly.com/question/303300

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7 0
2 years ago
Match each of the following descriptions with the correct brain structure(s). Drag the terms on the left to the appropriate blan
Shtirlitz [24]

Answer:

a. midbrain

b. thalamus; hypothalamus, epithalamus

c. cerebral aqueduct

d. medulla oblongata

e. choroid plexus

f. pons; medulla oblongata; midbrain

g. hypothalamus

h. cerebrum

i. epithalamus

j. cerebrum

k. cerebellum

Explanation:

The brainstem is the posterior part of the brain that connects the cerebrum with the spinal cord. The brainstem can be divided into three parts: midbrain (i.e., mesencephalon), the pons (i.e., metencephalon), and the medulla oblongata (i.e., myelencephalon). The mesencephalon is a region of the brain composed of the tectum and tegmentum, which play fundamental roles in motor movement, auditory and visual processing. The corpora quadrigemina is found at the tectum region of the midbrain. The diencephalon is a small part of the brain located above the brainstem (between cerebral hemispheres); which contains the thalamus, hypothalamus, subthalamus, and epithalamus. In turn, the epithalamus is composed of the habenular nuclei, pineal gland, and the stria medullaris thalami. The cerebral aqueduct is a narrow channel (approx. 15 mm) in which the cerebrospinal fluid flows between the third ventricle and the fourth ventricle. The medulla oblongata is a long stem-like structure located in the brainstem of the brain, just in the place where the brainstem connects the brain to the spinal cord. The choroid plexus is a complex network of capillaries located at the cerebral ventricles of the brain, which serve to produce cerebrospinal fluid through ependymal cells that line the ventricles of the brain. The cerebellum is a major structure of the hindbrain and consists of the cerebellar cortex and a core of white matter having the cerebellar nuclei.

4 0
3 years ago
What hormones are produced by the thyroid and parathyroid glands?<br> Explain the function of each.
Goryan [66]

Answer:

hope this helps:)

Explanation:

The thyroid gland uses iodine from food to make two thyroid hormones that regulate the way the body uses energy. The parathyroid glands are four tiny glands located behind the thyroid gland. The parathyroid glands produce a substance (parathyroid hormone) that helps control the amount of calcium in the blood.

8 0
3 years ago
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