The bone structure of the baleen whale and the humming bird pictured above suggests that they share

Biology

2 answers:

Vlada [557]3 years ago

8 0

C) common ancestor is the answer

Andrej [43]3 years ago

4 0

Answer:c

Explanation:the moon is round

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Friction from an object rolling over a surface

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The answer to this is rolling friction

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2. Suggest two ways that reflex reactions help maintain homoeostasis in the human body.

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<span>One reflex reaction to maintaining homeostasis in the body is shivering. In response to cold temperatures, the muscular system moves our muscles quickly to warm them up as a rapid, short term solution for homeostasis. Another example is the withdrawal reflex, which occurs as a response to pain. Pain receptors activated by the painful stimulus activate the motor neurons in the body, which in turn contract muscles to move parts of your body away from the pain.</span>

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Which of the following is not actual whole cell?

DochEvi [55]

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C. Thrombocytes

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Blood is a tissue composed of many cells, which include; red blood cells (erythrocytes), white blood cell (leukocytes), platelets (thrombocytes) etc. Of these three types of cells, thrombocytes also known as Platelets are small fragments of a cell with a disk-shape whose primary function is in blood clotting.

In contrast to erythrocytes, and leukocytes (monocytes, lymphocytes) as mentioned in the question, thrombocytes or platelets are not actual whole cells but rather small portion of a cell.

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3 years ago

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Sav [38]

Answer and Explanation:

If the amount of daylight increases plant growth, then plants will have higher rates of growth during the summer. hypothesis.
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A hypothesis is a scientific conjecture, not verified that requires corroboration. It is a possibility, but not a fact. A hypothesis must express what is expected to occur in a perfectly comprehensive manner. There must be a logical relation between variables. It must be objective. The researcher suggests a hypothesis in order to predict what is going to happen. There are different kinds of hypotheses: descriptive, correlative, differentiative, or causative.
A law is an affirmation based on repeated experimental observations, it is not that might describe one aspect of a natural phenomenon. This means that it is corroborated by facts, and not only by logic. There is a relation cause-effect.
The scientific theory is a conceptual framework used to explain facts or phenomena and to make predictions. The theory is fundamental to science because it allows scientists to organize and understand observations. The construction of a theory begins with a hypothesis. The scientist believes that a certain phenomenon occurs in a certain way and so he/she performs observations under the scientific method to prove that his/her hypothesis is valid or not valid. The systematization of the observations as well as of the empirical data collected might derive in a scientific theory that can explain the analyzed phenomenon. A scientific theory is a knowledge that was contrasted in several ways.

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