BIOLOGY HIGH SCHOOL

By 1500, what was the dominant religion in West Africa?

Answers

Answer 1
Answer:

Answer:

Islam was the dominant religion in West Africa in 1500.

Explanation:

  • From 639-708 C.E, Arab Muslims captured North-Africa.
  • Arab Muslims want to bring Islam to west Africa too, but they knew it would be quite hard to cross the Sahara desert.
  • Islam soon reached Ghana through Muslim missionaries and traders.
  • Ghana's king did not convert to Islam but he allowed Muslims to build homes and mosques within his kingdom.
  • Muslim merchants and traders colonized in "Kumbi" which were the huge market place of the time.
  • soon the Muslim community grew and they had 12 mosques.

Answer 2
Answer: Islam is the predominant religion of theWest African interior and the far west coast of the continent (70% ofWest Africans); and was introduced to the region by traders in the 9thcentury. Islam is the religion of the region's biggest ethnic groups by population.

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Which of the following types of algae shows a distinct alternation of generations?

Answers

There are many types of algae. Some of which are brown algae or the Phaeophyta/Phaeophytes,the green algae which is also known as the Chlorophytes, and the Chrysophytes or the golden algae. Among these algae, only the Chrysophytes shows distinct alternation of generations or metagenesis.

Answer:

Explanation:

a. Chrysophytes

b. Phaeophytes

c. Chlorophytes

How does meiosis help to maintain the continuation of a species?

Answers

Meiosis is the reproduction of cells that don't exchange DNA, its important because if you have a cut on your hand, you wouldn't want mitosis to go through or you could end up with a stomach sell on your hand. Meiosis reproduces the same type of cell, for example somatic cells(human cells).
Meiosis provides genetic diversity. Mitosis is used in most cell reproduction (which is fine when they do the same job). Meiosis is like sexual reproduction for cells, with the acceptation that there is only one parent cell.

Which organ systems help deliver oxygen to body cells

Answers

Respiratory and the circulatory.
The respiratory system allows gas exchange to occur at the lungs, swapping CO2 for O2.
This O2 is then picked up by the blood travelling through the circulatory system, allowing it to be delivered to the cells.

Final answer:

The respiratory and circulatory system work together to deliver oxygen to body cells.

Explanation:

The respiratory and circulatory systems work together to deliver oxygen to body cells. The respiratory system is responsible for breathing in oxygen and expelling carbon dioxide, while the circulatory system transports oxygen-rich blood to the cells. Within the circulatory system, the heart pumps oxygenated blood through arteries to the body's tissues, where oxygen is delivered to the cells through capillaries.

Learn more about Oxygen delivery in the human body here:

brainly.com/question/32156100

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Gene expression in prokaryotes is regulated at which stage?

Answers

Gene expression in prokaryotes can be regulated at multiple stages including transcriptional and co-translational. Operons respond routinely to the presence of specific metabolites and change the availability of activators and repressors while speific end products of biosynthetic pathways can regulate the translatability of mRNAs for new proteins.

which of the following would not be considered a point source pollution contributor a. an animal feed lot b. cattle on rangeland c. a paper mill d. a slaughterhouse

Answers

The correct answer should beb. cattle on rangeland

Point source pollution contributors are any pollution contributors that can be pinpointed to a single location, and dispersed cattle on a rangeland is not it. A a paper mill or a feed lot or a slaughter house can easily be pinpointed.

Describe a characteristic of both an Emperor Penguin and Galapagos Penguin that evolved differently due to their different environment

Answers

Answer: The size.

Explanation: On the one hand the Emperor Penguin is bigger reaching up to 48 Inches (120cm) of height and 100 Lb in weight, on the other hand the Galápagos Penguin is much smaller. For example a large adult usually goes up to 21 Inches (53cm) and 5 Lb of weight.

This is directly related to the temperature of the environment in which each one develops, because a body exchanges heat in two dimensions through the surface. So, it's easier for a big creature to maintain core temperature stable.

This is really important in environments like the Arctic where temperature goes below zero and the opposite happen in the Equator where there is a tropical weather all the time.
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