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2 years ago

Arthropods periodically shed and discard their exoskeletons as they grow in a process called

Biology

2 answers:

Elina [12.6K]2 years ago

4 0

The process is b) molting

Marianna [84]2 years ago

3 0

Answer:

Letter B

Explanation:

Moulting or ecdysis is a process that occurs in arthropods and is characterized by changing the skeleton of these animals to ensure their growth. This process is essential because these invertebrates have an external skeleton, which makes continuous growth impossible and for this reason this animals need to change its skeleton and to produce another new one.

Despite being rigid, the animal gets its movement thanks to the joints. Because of this property, the phylum was named Arthropoda, which means “articulated feet”. The interesting thing is that you can see these periodic seedlings scattered in the environment, like and "bark".

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Determine the median value for foot width for males and for females. Describe in complete sentences the method you used to deter

Ipatiy [6.2K]

Answer:

This question is incomplete because of the absence of the data referred to in the question

Explanation:

This question is incomplete but the data referred to in the question is attached below

In order to determine the median value of any set of data, the data is first of all rearranged chronologically (ascending) and then the middle value is picked if the number of data is odd but if the number of data is even, the two middle values are added together and then divided by two to get the median.

From the data provided, the values (which are 10 in number) can be arranged as shown below (with the median values in bold)

Females: 5, 7, 7, 7.5, 7.5, 7.8, 7.8, 8, 8, 17

Males: 4.5, 7.5, 9, 9, 9.2, 9.3, 10, 10, 10.5, 13

Since the number of data is even, the two middle numbers (in bold) shall be added together and then divided to get the median as shown below

The median value for the females foot width is = 7.5 + 7.8/2 = 7.65 cm

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2 years ago

Rose has just given birth to her son, Isaac, and claims that David is the father. David says that he cannot be the father, becau

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Answer:

Since albinism is an autosomal recessive trait, it means that both parents must possess the gene for it, for the albinism to occur.

Thus, David could be the father if both Rose and David are carriers(heterozygotes) for the albino allele.

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