BIOLOGY MIDDLE SCHOOL

A ____________ is a testable possible explanation, while a ___________ is an explanation that has been tested extensively. A) theory, law B) hypothesis, law C) hypothesis, theory D) theroy, hypothesis

Answers

Answer 1
Answer:

A hypothesis is a testable possible explanation, while a theory is an explanation that has been tested extensively.

If you need to learn more and remember about this stuff better, watch the Amoeba Sister's Casual and Scientific Use of "Theory" and "Law". Trust me, it helps!

:)I hope I answered your question well!:)
Answer 2
Answer:

Answer:

hypothesis, theory

Explanation:

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How does sexual reproduction increase the genetic diversity among a population? ANSWER CHOICES: A) increasing mutation rate in offspring B) increasing mutation rate in parents C) copying genes from 1 parent to form many offspring D) combining genes from 2 parents into 1 offspring
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How is an exoskeleton similar to an internal skeleton how is it different

Answers

Differences.

Exoskeleton

1. Hard part that lies outside of the body

2. Develops from ectoderm

3. Composed mainly of  hard non-living material called chitin.

Endoskeleton

1. Hard part that lies inside the body

2. Develops from endoderm

3. Composed of living material i.e. bone tissue

 Similarities

Both endoskeleton and exoskeleton play a protective role. The  endoskeleton protects internal body organs of the organism. The exoskeleton  protects the soft  body parts and appendages of the organism.

Both endoskeleton and exoskeleton provide structural support and shape to the  concerned organism.
They're similar because they're both skeletons. The difference is one is inside the body and the other is out. (Endoskeleton - "endo" means in. Exoskeleton - "ex" mean out.) I hope this helps!

A certain gene in a chromosome has the following sequence of nucleotides:ACC TTA GGC CCT TCA
What would be the 2nd codon of mRNA made from this strand of DNA?
A.AAU
B.UUT
C.AAT
D.TTA

Answers

The answer is AAU (A.)

Answer:

A

Explanation:

What structure turns into the fruit after fertilization in a plant?

Answers

The  answer is the ovary wall.

Which subphylum retains all chordate characteristics, even in the adult forms Urochordata, cephalochordate, vertebrata

Answers

The correct answer for the question that is being presented above is this one: "Urochordata." Lancelets have all chordate characteristics and segmentation in the adult. Tunicates (Sea Squirts), Subphylum: Urochordata Gill slits are the only chordate feature retained by the adult form.

What does the notation TT mean to geneticists

Answers

TT= Homozygous dominant  (there is nothing recessive about TT)


Tt= heterozygous (contains a recessive trait (t))

tt= homozygous recessive



Hopefully this helped and good luck

Identifying Sources Used to Study Earth's InteriorWhich sources do scientists use to study the interior of Earth? Check all that apply.
Earth's orbit
core samples
sea level
earthquakes
S waves
rock composition
tivity

Answers

Answer: The answer is Core Samples, Earthquakes, S waves, and Rock composition.

Explanation:

It’s talking about study the whole interior of Earth not just one part el to learn about the Earth they have to study the rocks. The waves allow us to know whether or not the the outer core is liquid I believe. The Earthquakes shake the Earth allowing us to get new rocks. Rock composition helps us to be able to know what our old Earth was like and when they were deposited. And Core samples allow to be able to see the temperature of the core and such things.

Answer: core samples, earthquakes, S waves, rock composition

Explanation:
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FIRST TO ANSWER WILL MARK BRAINLIESTA scientist is studying two traits on a fruit fly. She discovers that these are most often inherited together.What can be said about these traits?1. They are on the same chromosome and are influenced by epistasis.2. They are on the same chromosome and are linked together.3. They are on different chromosomes, and each trait is controlled by many genes.4. They are on different chromosomes and are linked together.CHOOSE FROM THE ANSWERS ABOVE PLZ!!!
When a chemical spill has occurred on your clothes you should _____.grab the first aid kitrun under the shower and turn it onuse the eye wash stationscream for helpHELP ASAP
Which of the following monomers would be used to make the double helix of a DNA molecule?