Platyhelminthes have the following important characteristics: They are triploblastic, acoelomate, and bilaterally symmetrical. They may be free-living or parasites. The body has a soft covering with or without cilia.
The turtle is a slow animal, a terrestrial or marine reptile of the order of the Testudines in the subclass of Chelonians, characterized by a protective shell, enclosing its body and covered with scales. Sea turtles are also included.
The right answer to this question is E.
Two arguments support this answer:
First of all the turtle has no hair and has no placenta (he lay eggs so he is oviparous).
The turtle possesses jaws and limbs.
Answer:
Secondary
Explanation:
There are several levels of prevention. You might confuse this with primary prevention. Primary prevention is preventing infection, so it has to be done before the patient caught the disease.
The needle-exchange program aims to reduce the spread of blood-borne disease(HIV, hepatitis, etc) from the multiple usages of the same needle. Since the disease already exists, this will be secondary prevention.
Answer:
Yes, our body is made up of four Macromolecules.
Explanation:
Yes, the claim of the student is right that Macromolecules such as carbohydrates, lipids, proteins, and nucleic acids makeup the human body because all the cells are made up of carbohydrates, lipids, proteins, and nucleic acids. We know that our body is made up of cells so we can say that our body is made up of four Macromolecules. For example, our muscles are made up of protein, the fats present in our body are the lipids, carbohydrates are stored in the form of glycogen In liver and nucleic acids are present in the form of DNA and RNA.
After receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.
the must be sensory neurons.
hope its help..
--erjayU
