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rodikova [14]
2 years ago
13

The first crops most likely to have been planted by Neolithic people were:

Biology
2 answers:
Fantom [35]2 years ago
6 0
D. grains were most likely to have been planted by neolithic people
ryzh [129]2 years ago
4 0
The first crops most likely to have been planted by Neolithic people were:
d- grains
<span>(one of the first <span>agricultural activities)</span></span>


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What are the differences between mitosis and meiosis in human cells? Pay particular attention to the types of cells, number of d
Nezavi [6.7K]
Mitosis Involves one cell division? Results in two daughter cells Results in diploid? daughter cells? (chromosome? number remains the same as parent cell) Daughter cells are genetically identical Occurs in all organisms except viruses Creates all body cells (somatic?) apart from the germ cells? (eggs and sperm) Prophase is much shorter No recombination/crossing over occurs in prophase. In metaphase individual chromosomes (pairs of chromatids) line up along the equator. During anaphase the sister chromatids are separated to opposite poles. Meiosis Involves two successive cell divisions Results in four daughter cells Results in haploid? daughter cells (chromosome number is halved from the parent cell) Daughter cells are genetically different Occurs only in animals, plants and fungi Creates germ cells (eggs and sperm) only Prophase I takes much longer Involves recombination/crossing over of chromosomes in prophase I In metaphase I pairs of chromosomes line up along the equator. During anaphase I the sister chromatids move together to the same pole. During anaphase II the sister chromatids are separated to opposite poles. Similarities Mitosis Diploid parent cell Consists of interphase, prophase, metaphase, anaphase and telophase In metaphase individual chromosomes (pairs of chromatids) line up along the equator. During anaphase the sister chromatids are separated to opposite poles. Ends with cytokinesis. Meiosis Diploid parent cell Consists of interphase, prophase, metaphase, anaphase and telophase (but twice!) In metaphase II individual chromosomes (pairs of chromatids) line up along the equator. During anaphase II the sister chromatids are separated to opposite poles. Ends with cytokinesis.
8 0
2 years ago
A 4-year-old girl with a brain tumor diagnosed as an astrocytoma is admitted to the pediatric unit. the nurse performs a physica
dmitriy555 [2]
The answer would be: Increased intracranial pressure caused by blood pooling in the head
A tumour will also apply pressure to the surrounding when growing. <span>It can also obstruct the nearby blood vessels, cause the blood or cerebral fluid to be trapped. The trapped fluid will increase the intra cranial pressure because the skull is a closed space organ. </span>
6 0
3 years ago
What is the name of the membrane surrounding the brain? What is the<br> function of this membrane?
wlad13 [49]

Answer and explanation:

The meninges

There are actually 3 parts—dura mater, arachnoid, and pia mater.

The brain is soft and mushy, and without structural support it would not be able to maintain its normal shape. In fact, a brain taken out of the head and not properly suspended (e.g., in saline solution) can tear simply due to the effects of gravity. While the bone of the skull and spine provide most of the safeguarding and structural support for the central nervous system (CNS), alone it isn't quite enough to fully protect the CNS. The meninges help to anchor the CNS in place to keep, for example, the brain from moving around within the skull. They also contain cerebrospinal fluid (CSF), which acts as a cushion for the brain and provides a solution in which the brain is suspended, allowing it to preserve its shape.

The outermost layer of the meninges is the dura mater, which literally means "hard mother." The dura is thick and tough; one side of it attaches to the skull and the other adheres to the next meningeal layer, the arachnoid mater. The dura provides the brain and spinal cord with an extra protective layer, helps to keep the CNS from being jostled around by fastening it to the skull or vertebral column, and supplies a complex system of veinous drainage through which blood can leave the brain.

The arachnoid gets its name because it has the consistency and appearance of a spider web. It is much less substantial than the dura, and stretches like a cobweb between the dura and pia mater. By connecting the pia to the dura, the arachnoid helps to keep the brain in place in the skull. Between the arachnoid and the pia there is also an area known as the subarachnoid space, which is filled with CSF. The arachnoid serves as an additional barrier to isolate the CNS from the rest of the body, acting in a manner similar to the blood-brain barrier by keeping fluids, toxins, etc. out of the brain.

6 0
2 years ago
True or false: signal detection analysis is a technique to determine the ability of a perceiver to make signals.
ivolga24 [154]
The answer is true because the signal of a perceiver is a technique to determine the ability.
4 0
3 years ago
Choose the statements below that are true about the anatomy of humans that allow for bipedalism. Check all of the boxes that app
sveta [45]
The answers are :

The pelvis is rotated inward

The spine contains a lumbar curve

The big toe is enlarged
4 0
2 years ago
Read 2 more answers
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