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drek231 [11]
3 years ago
8

Does a plant have a closed or open circulatory system

Biology
1 answer:
Kipish [7]3 years ago
3 0
Open because there is an open cavity called a hemocoel.
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A proposed explanation made on the basis of limited evidence as a starting point for
Sphinxa [80]

Answer:

A Hypothesis

Explanation:

The Oxford English Dictionary defines hypothesis as the following: “A supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.”

8 0
3 years ago
How do you get DNA from victims or criminals?
katovenus [111]

Answer:

Finger prints, hair, body fluids( blood, saliva, semen), bone.

Explanation:

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3 years ago
The interdependent evolution of two interacting species is known as: A. natural selection. B. ecology. C. coevolution. D. mutual
RUDIKE [14]

Answer:

The correct answer is C. co-evolution

Explanation:

When two or more species evolution is influenced by each other and are interdependent than this type of evolution is known as co-evolution. There are several examples of co-evolution like predator-prey co-evolution, flowering plants and pollinators evolution, etc.

The predator-prey evolution is famous in which there is selective pressure on prey to evolve to avoid getting hunted and the same pressure is on predator to evolve with prey so that they can get their food and survive. Therefore the correct answer is co-evolution.

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3 years ago
An individual with an uncertain vaccine history has been brought to the emergency room after receiving severe lacerations in an
Blababa [14]

Answer:

E) The tetanus immune globulin provides immediate, short-term protection, and the tetanus vaccine provides long-term protection.

Explanation:

Basically, immunization is very important and necessary to protect the person from diseases.

In the above scenario, individual who is injured with severe lacerations does not have any history of previous tetanus vaccination. Because vaccination is for long term protection but it also take time to produce antibodies in an individual. Individual is injured and can have risk of tetanus.

So, along with vaccine we will administered the tetanus immune globulin to provide immediate, short term protection against tetanus.

6 0
3 years ago
What helps animal sperm cells move so that they can reach an egg?
vlabodo [156]
A flagella helps an animal sperm move!
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3 years ago
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