Examples of different ways that observations can be used in scientific inquiry

Biology

1 answer:

stira [4]3 years ago

5 0

<span>observations are used in scientific study when conducting experiments to see</span>

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What does Homosapien Mean??? i didn't know so i want to know!

Rashid [163]

Homo meaning same
sapien meaning from apes

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3 years ago

On-center cells: A. are excited by light that falls in the periphery of their receptive field. B. are excited by light that fall

Elena L [17]

Answer: B) are excited by light that falls in the center of their receptive field.

Explanation:

There are two types of bipolar cells present in the retina which are differentiated on the way the centres of their receptive fields respond to light. The names of bipolar cells are ON-centre and OFF-centre.

If a light fall at the centre of the receptive field of a bipolar cell, it will experience an exciting effect on that cell, resulting in it being depolarized, it is an ON-center cell.

Hence, the correct option is B.

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9. Consider the below Punnett square cross. Explain how you could use it to determine which parent

kogti [31]

Answer: The father determines the biological sex of a baby

Explanation: Human beings have two sex chromosomes, males have XY chromosomes whereas females have XX chromosomes. During fertilization, an egg from a woman fuses with a sperm cell from a man to form a zygote. Women have two X chromosomes (XX) and any point in time they can only release an egg bearing an X chromosome but males have one X and one Y chromosome, therefore they can either release a sperm cell with an X chromosome or a sperm cell with a Y chromosome. When an egg with X-chromosome fuses with a sperm cell with an X chromosome, the resulting baby is a female but when an egg with an X chromosome fuses with a sperm cell with a Y chromosome, the resulting baby is a male.

What makes the difference in both sexes is the Y chromosome from the man, therefore the father determines the biological sex of a baby.

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3 years ago

12 POINTS! If the frequency of a sound increases, what happens to its wavelength?

posledela

Answer:

A. The wavelength increase

Explanation:

The wavelength should increase if the frequency of a sound increases.

??? (Sorry if this is wrong)

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What is a difference between endocrine and exocrine glands?

valentina_108 [34]

The correct answer is option C. Endocrine glands secrete hormones into the bloodstream because endocrine glands are ductless and the exocrine glands have ducts so they secrete their hormones into the ducts.

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