BIOLOGY MIDDLE SCHOOL

The water is heated until it boilsThe temperature remains constant at boiling point
Explain the effect on the internal energy of the water and the movement of water molecules

Answers

Answer 1
Answer:

Answer:

Its kinetic energy increases

Explanation:

Its molecules move very faster and some atoms go through ionization because the collision of the atoms because their increase in movement speed and intensity. Ionization is the loss or gain of electrons, which are around the nucleus of atoms. Since equals charges repeal and electrons have negative charges, they move from their levels of energy during collisions. Its conductivity can also become lower, because the flow of electrons can be interrupted by the violent movement of the molecules.

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Is this statement an observation or inference? "it must be raining outside."

Answers

it would be a statement because it what you think your not 100 percent sure 

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!

What makes an arthropod an arthropod

Answers

Answer:An arthropod (/ˈɑːrθrəpɒd/, from Ancient Greek ἄρθρον (arthron) 'joint', and πούς (pous) 'foot' (gen. ποδός)) is an invertebrate animal having an exoskeleton, a segmented body, and paired jointed appendages. Arthropods form the phylum Euarthropoda, which includes insects, arachnids, myriapods, and crustaceans.

Explanation:
anthropods have exoskeletons

What are two different forms of a single gene called? A.
traits

B.
factors

C.
alleles <<<

D.
chromosomes

I think C

Answers

Alleles are two different forms of single gene that are located in specific position on a specific chromosome. It can be classified into two allele pairs: homozygous and heterozygous. In homozygous, both alleles are the same whether they are both dominant or recessive; while in heterozygous, one allele is dominant and the other is recessive.

it is C I did the test so its right. plz make me brainliest

What would happen if the keystone species of hummingbirds were taken out of there ecosystem?

Answers

Hummingbird predators would not have a food source, therefore competitive exclusion would occur and there'd be a decrease in hummingbird predators. There would also be an increase in the number of the hummingbird's prey since the hummingbird wouldn't be there to consume them. The absence of the species would mess up the rest of the ecosystem
the world be completely messed up. hummingbird are little innocent creatures.

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods

Answers

The carbon in their bones allow them to know what time period it comes from. This is called carbon-dating.
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