BIOLOGY HIGH SCHOOL

What term describes an early kind of biologist who made and recorded observations about organisms in nature?

Answers

Answer 1
Answer: The term being referred to in this item is the naturalist. They study the natural environment. They generally have a broad studied things with broader range of interest than the particular specialty. Some of them may not have the proper training and do not hold a degree; however, they appreciate nature. 
Answer 2
Answer: the word biologists.............

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Viruses are not considered to be living things, but they depend upon living cells for energy, reproduction, and protection at the expense of the cells that they invade. The type of relationship described could best be classified as one of

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This relationship can be best described by the word parasitism.
well the red blood cells are there for our blood
white blood cells are there to protect our blood from running out of our skin when we have a cut
hope this is enough
and hope this helped!!!!!!

In the study of cancer, researchers have used different types of cells, different environmental conditions, and different experimental designs. But, all researchers have arrived at the same conclusion. Which conclusion is that?Cancer cells stop dividing when they touch.
Cancer cells are unspecialized cells.
Cancer cells lack contact inhibition.
Cancer cells reproduce slowly.

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cancer cells lack contact inhibition meaning meaning that in normal cells when they come in to contact with other cells they stop reproducing only cancer cells do not. They just keep reproducing and growing destroying everything in their path. An example of this is a tumor. 

Answer:

C. Cancer cells lack contact inhibition

Explanation:

Unlike plant cell animal cell contain

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Unlike plant cell animal cell contain "Centrioles"

Hope this helps!

Which statement is one component of the cell theory?

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The options attached to the question above are given below:

A. All living and nonliving things consist of one or more cells.

B. Cells and living organisms are spontaneously created.

C. Cells are the most complex unit of structure and function in living things.

D. A cell is the basic unit of structure and function of all organisms

ANSWER

The correct option is D.

The cell theory is one of the major theories in biology and it states the facts about living cells. The theory states that, the cell is the most basic unit of all organisms and all living organisms are made up of one or more cells. The organisms that are made up of only one cell are described as unicellular while those that possess many cells are described as multi cellular. The theory also states that all cells come from pre-existing cells.



the correct answer is d

Explain how a nerve impulse travels.

Answers

they move across a synapse

Which of the following is an example of a species changing over time.Choose all answers that are correct.

A.A gardener notices a new kind of squash growing after he only planted seeds from his previous squash plants.
B.A rabbit’s ears are bigger than a mouse’s ears.
C.Some weeds have become resistant to a chemical designed to kill them.
D.The purple-spotted butterflies in your collection have more spots than the purple-spotted butterflies your grandfather collected when he was a child.
E.A giraffe's neck is longer than a deer's neck

Answers

The examples of species changing over time are statements A, C, and D.

All these changes, such as new types of squash was developed in the garden. weeds evolution to resist chemicals, and the changes in butterflies wing pattern over the years is because of Mutation. Obviously, rabbit's ears are always bigger than mice and Giraffe's neck is always longer than the deer's. In genetics, mutation is the process of permanent alternation of the nucleotide sequence in DNAs.
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Plants with a primary root and little lateral roots that extend out from it have a ____ system.
Question:Sherri has 23 pieces of jewelry to sell. She sells the bracelets for $2 and the necklaces for $3, and earns a total of $55. If the bracelets are represented by x and the necklaces are represented by y, which of the following systems of equations can be used to calculate the number of bracelets and necklaces sold? Answer choices: A. x + y = 23, 3x + 2y = 55 B. x + y = 55, 3x + 2y = 23 C. x + y = 23, 2x + 3y = 55 D. x + y = 55, 2x + 3y = 23
Which of the following would be considered a source of error in an experiment?A. Laboratory mice are similar but not identical to each other. B. A student makes a mistake when measuring volume. C. The hypothesis was unrelated to the research question. D. Temperature readings are made late in the day, when everyone is tired and eager to go home.
What does evidence show about radial symmetry in invertebrates?