Answer:FRFW and FWFT
Explanation:I took the gizmo test
interesting facts about index fossils
Answer:
A good index fossil is one with four characteristics: it is distinctive, widespread, abundant and limited in geologic time. Because most fossil-bearing rocks formed in the ocean, the major index fossils are marine organisms, but certain land organisms are useful in young rocks and in specific regions.
Explanation:
Which of these categories of Linnaean classification contains all the others?
O A Phylum
B. Kingdom
C. Order
D. Class
During photosynthesis, plants take in carbon dioxide, water, and energy from the sun and produce carbohydrates and oxygen. Which of the following statements best explains how plants follow the law of conservation of mass during photosynthesis?
The amount of each element in the reactants equals the amount of each element in the products.
The number of carbon dioxide molecules taken in exactly equals the number of carbohydrate molecules produced.
The plant uses the carbon dioxide gas, liquid water, and energy to produce a solid carbohydrate.
The plants mass does not increase or decrease as a result of photosynthesis.
The amount of each element in the reactants equals the amount of each element in the products.
PhotosynthesisPhotosynthesis is a process that plants and other organisms utilize to transform light energy into chemical energy that can then be released to power the organism's activities via cellular respiration.Plants use carbon dioxide, water, and energy from the sun to make carbohydrates and oxygen during photosynthesis.Plants follow the law of conservation of mass during photosynthesis. The amount of each element in the reactants equals the amount of each element in the products.For more information:
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What description best explains why viruses can become more pathogenic to hosts that were not affected by the virus before?
Carbon tends to form four bonds. What kind of bonds are they?
O A. Covalent
O B. Ionic
O C. Hydrogen
O D. Metallic
Carbon tends to form four bonds. These bonds are called as covalent bonds. The correct option is A.
What are Covalent bonds?An atom can establish bonds with other atoms in two main ways: covalent and ionic. The sharing of electrons between two or more atoms forms a covalent connection. When two or more ions join contact, they can create ionic bonds that are held together by charge differences.
An electron exchange that results in the formation of electron pairs between atoms is known as a covalent bond. Bonding pairs or sharing pairs are the names given to these electron pairs.
Covalent bonding is the stable equilibrium of the attractive and repulsive forces between atoms when they share electrons. Through covalent bonding, carbon atoms form four bonds.
Therefore, the correct option is A.
Learn more about Covalent bonds here:
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The Himalayas in Asia are the tallest mountains in the world. They are an
example of folded mountains. How do folded mountains form?
A. Magma rises to Earth's surface.
B. A block of crust tilts between two faults.
C. Tectonic plates crash into each other.
D. Continental plates slip past each other.
Is Casein a tertiary, quaternary, secondary, or primary structure?
Answer:
i believe it is a Tertiary protein structure
Explanation:
The number of frogs in a swamp ecosystem increased sharply. Soon, the frogs exceeded the carrying capacity of the ecosystem. How will this situation affect the ecosystem?
A.
The carrying capacity will increase to accommodate the frog population.
B.
The frogs will have greater competition for resources.
C.
Predators of frogs will decrease because of a lack of food.
D.
Species that share resources with frogs will have less competition.
Answer:
B
Explanation:
The resources wont increase therefore the frogs have more competition with themselves and other animals needing the same resources.
What 2 muscles are used when breathing
Answer:
I am sorry but your question is wrong
Answer:
The diaphragm and, to a lesser extent, the intercostal muscles drive
Someone help me please
Which of these is a function of estrogen in reproduction?
A. Providing sugar for the maturation and motility of sperm
B. Providing insulin for controlling blood sugar levels
C. Promoting the release of eggs by regulating other hormones
D. Promoting the development of adult male characteristics
Answer:
The correct answer is C
Explanation:
Estrogen is the female hormone, so it wouldn't have anything to do with male characteristics.
Estrogen pretty much is the hormone you start to produce when you hit puberty. It starts the development of the female body, and thats wen you start producing eggs.
hope this helps :)
Create a nucleotide sequence with at least 9 DNA bases. Then, replicate your DNA strand using the appropriate DNA bases.
Answer and Explanation:
We need to create a nucleotide sequence, but first what are DNA nucleotides? They are the monomers of the entire nucleic acid strand of DNA.
DNA nucleotides have 4 bases: adenine (A), thymine (T), guanine (G), and cytosine (C). When pairing bases, A and T always go together and G and C always go together. (An interesting trick to remember this is Apple in the Tree and Car in the Garage.)
To create our own, we can draw up any combination of A's, T's, C's, and G's. I'm just going to arbitrarily write the following:
A A G C T T C G A T C G A C C
We need to pair these up by replicating it (remember A with T and G with C). The new strand will become:
T T C G A A G C T A G C T G G
Finally, we need to transcribe this back into the original format because replication is creating the same copy of something:
A A G C T T C G A T C G A C C
//ANSWER ASAP!//
What do many ecologists feel is necessary for an area to be classified as a forest?
a.) several species of trees
b.) enough trees to create a close canopy
c.) consistent warm weather
Answer:
consistent warm weather
Explanation:
Answer:
Enough trees to create a close canopy
Explanation:
I took the quiz
1. __ are located in __ .
2. and ____ are reactants.
3. __ is made from __ .
4. produces sugar and releases ___ .
Choices:
A. Carbon dioxide
B. Cells
C. Cellulose
D. Chloroplasts
E. Oxygen
F. photosynthesis
G. Sugar
H. Water
Hey there!
1) chloroplasts(d) are located in cells(b)
2)E,oxygen
3) cellulose(c) is made from sugar(g)
4)A,oxygen
Explanation:
1)Chloroplast are located in the cyptoplasm which is found in cells.
2)Oxygen is a reactant e.g. it reacts with methane to produce carbon dioxide and water.
3)Cellulose is made of sugar molecules(glucose).
4)(Chloroplast) produce sugar and release oxygen.
nucleic acids offer variability because they contain alternate for of genes called what
Answer:
because they contain alternate forms called alleles
Explanation:
what can the word fossil stand for
What structure on the pathogen does your B cell use to identify it?
O Helper T cells
O Mucous membrane
Antibody
Antigen
Answer:
Antigen
Explanation:
Bacteria and virus have antigens, our body produces the antibodies.
What is the approximate length of the geologic time scale?
A) 50 million years
B) 50 billion years
C) 5 million years
D)5 billion years
Answer:
D) 5 billion years
Explanation:
Hope i helped
Answer: D; 5 billion years
Explanation: The age of the Earth now is estimated to be 5 billion years old! Lots of this evidence is maintained by asteroids and different bodies of rock that hit earth and leave behind a rubble of rocks that could be dated back by geologists back to the time that the earth was cooling.
Hope I could help
<3
Stay safe, stay warm
-Carrie
Ps. It would mean a lot if you marked brainliest :)
Which comparisons of Trial A (no immunity) and
Trial C (50% immunity) did you include in your
explanation? Check all that apply.
After six points of contact, fewer people were
infected in Trial C than in Trial A.
On average, the slope of the graph for Trial C
was less than than the slope for Trial A.
Infection spread at a slower rate in Trial C than
in Trial A.
In addition to the ten immune people, three
nonimmune people did not become infected.
Help!!!!!
Answer:
1.
3.
4.
Explanation:
In trial A, people have no immunity so there are more chances of infection and in trial C, only 50% of people have immunity so chances of infection are less, so infection will spread faster in trial A than trial C.
If compared, trial C will have less infected people than trial A because people in trial A has no immunity and people in trial C have 50% of immunity, so only fewer people will get infected even after six point of contact.
As percentage of immune people (trial C) is 50, so there are equal chances of immunity and non-immunity. there are three reasons of infection that include source, susceptible person and transmission. source and susceptible person can be the reason of infection in some non-immune people but the transmission reason can vary. so, there is probability that three nonimmune people lie under transmission reason and are not coming in contact with infected people, medical equipment or environment, that causes infection and those three people are not getting infected.
Hence, the correct options are 1, 3 and 4.
ANSWERS
1
3
4
I got it correct on The assignment :)
(02.03 HC)
Explain how science uses fossil evidence to support the theory of evolution.
Answer:
A: LAYER
Explanation:
simple i took the test
Fossil remains have been found in rocks of all ages. Fossils of the simplest organisms are found in the oldest rocks, and fossils of more complex organisms are in the newest rocks. This supports Darwin's theory of evolution, which states that simple life forms gradually evolved into more complex ones.
Evidence for early forms of life comes from fossils. By studying fossils, scientists can learn how much (or how little) organisms have changed as life developed on Earth.
There are gaps in the fossil record because many early forms of life were soft-bodied, which means that they have left few traces behind. What traces there were may have been destroyed by geological activity. This is why scientists cannot be certain about how life began.
Fossils provide a snap shot of the past and allow us to study how much or how little organisms have changed as life developed on Earth.
Which of the following statements is true about artificial selection?
A. Breeders can control which animals mate.
B. Breeders can control what mutations will appear in the offspring.
C. Both A and B are true.
D. Neither A nor B is true.
A because they cant control whats happening on the inside all they can do is control the breed an hope it doesn't come out with mutations
Which part of a sea star's stomach is extruded out through it's mouth to eat?
Answer:
Cardiac maybe?
Explanation:
If a test shows you are a carrier of a rare disease, your child will automatically inherit the disease.
True or false
Answer:
false
Explanation:
the answer is false
Which of the following can be different about identical twins at birth?
A. Their weights
B. Their genes
C. Their genders
D. Their parents
Someone help me please
Answer:
A-Weight
Explanation:
Genes, genders, and parents will be the same in identical twins.
Most scientists think that life arose spontaneously from nonliving chemicals in the “primordial soup” of ancient Earth. The formation of life from nonliving material is defined as spontaneous generation. Stanley Miller conducted an experiment to test the hypothesis of spontaneous generation. How did the experiment of Stanley Miller support the hypothesis of spontaneous generation of living organisms?
Answer:
Stanley Miller created an experiment where he sent an electrical charge through a flask of a chemical solution of methane, ammonia, hydrogen and water . This created organic compounds including amino acids .
The experiment supported the hypothesis that several organic compounds can be created in earth's early atmosphere , several organic amino acids can be created from inorganic raw material .
Explanation:
hope it helps !!
What is the purpose of coolant/coolant pumps in a nuclear reactor? Explain how malfunctioning coolant pumps can lead to meltdown.
Answer:
The purpose of the reactor coolant pump is to provide forced primary coolant flow to remove and transfer the amount of heat generated in the reactor core. A nuclear reactor coolant is a coolant in a nuclear reactor used to remove heat from the nuclear reactor core and transfer it to electrical generators and the environment. Frequently, a chain of two coolant loops are used because the primary coolant loop takes on short-term radioactivity from the reactor.
Please mark as brainliest I just need 2 more
Explanation:
is a type of cell division that produces gametes.
Answer:
Meiosis is a type of cell division that produces gametes.
Explanation:
Gametes are haploid cells, and each cell carries only one copy of each chromosome. These reproductive cells are produced through a type of cell division called meiosis.
Answer:
meiosis a type of cell division that produces gametes.
Which of the following biomolecules is best represented by this formula?
A.
nucleic acid
B.
protein
C.
carbohydrate
D.
lipid
Answer:
The correct answer is option D. "lipid".
Explanation:
Lipids, known also as fats or oils, are organic compounds that are insoluble in water and are made up of carbon, hydrogen, and oxygen. The formula of this question shows a biomolecule that is made up of this three atoms, and even though carbohydrate are made up of this three atoms as well, we can determine that it belongs to a lipid because it contains many more hydrogen atoms than oxygen atoms. Other characteristic of lipids is their long chains of carbon and hydrogen atoms, which are represented by the lines shown in blue. I attached the missing formula.
Answer:
it is carbohydrate
Explanation:
Select the correct answer from each drop-down menu.
This map shows the level of water stress in different regions of United States.
Region is most prone to water scarcity caused by rises in population. If the population of this region sharply rises, the area will likely experience , which can directly lead to .
Answer: Region 1 is most prone to water scarcity caused by rises in population. If the population of this region sharply rises, the area will likely experience a water shortage, which can directly lead to a reduction in crops and food supply.
Answer:
Person above me was right :)
Explanation:
I took the test
1. In humans, both earlobe shape and hairline shape are inherited traits. The free ear lobe (E) is dominant to the attached ear lobe (e), and the widow’s peak (W) is dominant to the straight hairline (w). These two traits are independent of each other.
If a couple, both individuals being heterozygous for both traits, had offspring, calculate the probability that the couple will have a child with...
a. ) a widow’s peak and free earlobes?
b.) a straight hairline and free earlobes?
c.) a widow's peak and attached earlobes?
Answer:
a.) 9/16
b.) 3/16
c.) 3/16
Explanation:
In an aquarium ecosystem, you may have a warm temperature, a light source, algae, fish, and rocks. Which are the biotic factors found in this ecosystem? Choose all that apply.
Question 4 options:
Light
Fish
Algae
Rocks
Answer:
Fish & algae
Explanation:
They are both biotic becuase they are living. Light & rocks are abiotic.