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horsena [70]
3 years ago
14

The cephalothorax is a fusion of

Biology
1 answer:
Troyanec [42]3 years ago
7 0
The answer is c. the head and thorax region.

The word cephalothorax is derived from two Greek words - cephalon, meaning head, and thorax. So, it is a fusion of these two body parts, and it is characteristic for chelicerates (scorpions, spiders,...) and crustaceans (crabs, lobsters, shrimps,...) . Cephalotho<span>rax is unsegmented and rigid and it is easy to differ it from the abdomen.</span>
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Unlike the porous cells of the kidney, the cells of the top
timurjin [86]

Answer:

Their DNA is organized into chromosomes

Explanation:

The only possible answer from the options provided in the comments is that the DNA is organized into chromosomes. The other options are all false. Animal cells do not contain a cell wall, that is specific to plant cells and some bacteria. Animal cells do not have a single loop that contains all of their DNA, that is a feature of bacterial cells. Eukaryotic cells do have membrane bound nuclei, this is in contrast to prokaryotic cells.

However, eukaryotic DNA is organized into chromosomes

4 0
3 years ago
Name three ways that humans benefit from the use of seedless plants
AleksandrR [38]

Answer:

They support life by being the first vegetation to spring up on harsh terrain where soil is scarce. Even when they perish, seedless plants give back to nature. Certain seedless plants like moss and liverworts actually leave behind a layer of fertile soil for other plants when they perish.

Explanation:

Seedless plants have historically played a role in human life through uses as tools, fuel, and medicine. Dried peat moss, Sphagnum, is commonly used as fuel in some parts of Europe and is considered a renewable resource.

6 0
3 years ago
Which allele combination represents a male who has an X-linked recessive disorder?
stiv31 [10]
Without the answer options I cannot tell you the answer exactly, however X linked disorders are found only on X chromosomes and are indicated by a lowercase letter next to the X. Xr would be an example of the notation. A male has one X chromosome and one Y chromosome, where females have two X chromosomes.
The allele combination of a male with an x linked recessive disorder would look something like XrY.
8 0
4 years ago
Read 2 more answers
100 POINTS!!!!!! Help FAST!!!!!!!!!!!!!!The picture below shows the bone structures of human, cow, and horse.
11111nata11111 [884]

Answer:

option A they have developed from the same organism

Explanation:

Organs of animals (belonging to different species) which have similar structure but different functions are homologous organs. Such organs have evolved from the same ancestors , however their function are different.  

For example – wings of bats, limb of human etc.  

Here in this case  also the bone structures of human, cow, and horse are same but their functions are different, thus they are homologous organs and hence they have evolved from same ancestors.  

The correct answer is option A

7 0
3 years ago
. Some family farmers store animal droppings in containers and capture natural gas from the droppings for fuel. What is the fuel
Nana76 [90]

ANSWER:

The fuel is called methane.

8 0
3 years ago
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