Could someone please tell me if this is mold or not? I think it is but honestly I know nothing about that.

Answer: The greenhouse gas emissions from the extraction of bitumen and the use of large quantities of water.

Explanation:

Bitumen is a natural flammable organic matter formed from kerogen in the process of petroleum generation, which is soluble in carbon disulfide. Asphalt and mineral wax are examples of hydrocarbons which are part of bitumen. Conventional oil is extracted by wells while oil sands deposits are extracted using surface mining sectioning techniques, or are flowed to wells by in situ techniques that reduce bitumen viscosity by steam and/or solvents. So, unlike crude oil extracted in oil wells, bitumen requires an open-pit mining operation, in which large tracts are washed with a mixture of water and chemicals to separate the bitumen from a mixture of sand and clay.

Two consequences of this practice are:

Answer:

Ecosystem

Explanation:

Ecosystems are the largest organizational level found in one coral reef

Answer:

Unicellular organisms

Explanation:

Answer:

Reasons why they're different :

Explanation:

1. Mitosis is reserved for somatic cells while meiosis is reserved for sex cells (gametes).

2. Mitosis results in identical cells , while meiosis results in genetically distinct cells.

3. Mitosis undergoes one round of cell division while meiosis undergoes two rounds of divison.

4. Mitosis results in diploid daughter cells, while meiosis results in haploid daughter cells.

5. Unlike mitosis, meiosis differs in males and females.

6. Mitosis creates a human cell with 46 chromosomes, while meiosis creates a human cell with 23 chromosomes.

Answer:

Whales are mammals that need air from the sea's surface to survive. Whales are capable of giving birth to live young. Fish have gills and use them to draw oxygen from the water. The majority of fish lay eggs. Whales and other marine animals with horizontal tail fins, such as dolphins, have vertical tail fins, while fish have vertical tail fins.

hope this helped!

Answer:

Crust

Explanation:

Crust has the most interaction with the other spheres of Earth.

Answer:

SEE BELOW

Explanation:

1) DNA: CCA TAG CAC GTA CAA CGT GAA AGG TAA

 mRNA: GGU AUC GUG CAU GUU GCA CUU UCC AUU

AMINO:  Gly lle Val His Val Ala Leu Ser lle

2) DNA: CCG TAG CAT GTT ACA ACG CGA AGG CAC

 mRNA: GGC AUC GUA CAA UGU UGC GCU UCC GUG

AMINO: Gly lle Val Gln Cys Cys Ala Phe Val

Fossil record is not a piece of evidence that Darwin used to support his theory of evolution.

Evolution is the process of change in all forms of life over generations, and evolutionary biology is the study of how evolution occurs. Biological populations evolve through genetic changes that correspond to changes in the organisms' observable traits.

Darwin proposed that species can change over time, that new species come from pre-existing species, and that all species share a common ancestor. In this model, each species has its own unique set of heritable (genetic) differences from the common ancestor.

The current evolutionary theories can be categorized as Darwinism and Lamarckism. Charles Darwin theorized Darwinism. He explained his theory of natural selection in his book, On the Origin of Species.

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Answer:A.fossil record

Explanation:

Answer:

coal

Explanation:

I need 20 characters so Im typing this in hope of filling the space

Answer:

C

Explanation:

Answer:

Other than mountains, what else could cause geographic isolation? population to start a new population. genetic drift -change in allele frequency in a small population due to random chance. migration - some organisms move away to start a new population

Explanation:

thank me later

Answer:

Explanation:

A diagram of a Punnett Square showing the chromosomes involved in the inheritance of sex-linked traits.

The female had the genotype XHXh, and produced the two gametes seen at the left side of the diagram.

The male had the genotype XHY0, and produced the two gametes seen at the right side of the diagram.

The genotypes seen in the center of the square represent the possible genotypes of the F1 generation.

Two female offspring are produced for every two male offspring.

One male and one female offspring inherit normal genes.

One female is heterozygous for the hemophilia trait and is considered a carrier.

One male receives a damaged X-chromosome and inherits the condition known as hemophilia.

Answer:

Pancreas

Explanation:

Insulin is an essential hormone produced by the pancreas.

Answer:

Pancreas

Explanation:

During digestion, your pancreas makes pancreatic juices called enzymes. These enzymes break down sugars, fats, and starches. Your pancreas also helps your digestive system by making hormones. These are chemical messengers that travel through your blood.

Answer:

Due to environmental conditions.

Explanation:

With the passage of time, environmental conditions change which causes the evolution of of four legged land animals from fish like creature. This change occurs due to change in environment. In water, there is no need for legs because fish moves with the help of fins and tail but the organisms that lives on land has legs in order to move from one place to another so we can say that change in the physical structure of organism occurs due to environment.

Answer:

Identical

Explanation:

Binary fission is a form of asexual reproduction. This is when only one parent is involved in creating offspring. Since there is only one parent, two sets of DNA cannot be combined into a new offspring; so, it must be identical.

Answer:

a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.

Explanation:

Answer:

Below :D

Explanation:

So basically, this question is asking what will cause a species' population to reach a point where it stops increasing.

Lets think about what can cause a lack of increase?

A decrease can cause this.

Or a slow in the rate of increase.

Now lets look at our selectable answers and see if any of them would fall under these two things.

First up is fewer deaths.

Well, fewer deaths basically means less of a decrease in population.

This is the opposite of decreasing the populatin count, and would instead raise it.

Next we have a limit in food supply.

This would cause a organism to starve and die.

So this would cause a decrease in population count.

So B is one of the answers

Next up is competition with other species.

When two species compete for a sort of resources, one massivly dies out due to outcompetion, and loses the resources needed to survive.

So this would also cause a large decrease in population count.

This makes C one of the answers

Next is increase in birth rates.

This would cause more organisms to be born of a species, basically increasing the population count.

This is the opposite of a decrease in  population.

Next we have competition for space.

This is very similar to answer C, and the outcompeted species dies out due to lack of space.

So E is one of the answers

Now, the next answer seems viable, because major storms can kill off organisms, like hurricanes, earthquakes, and volcanos for instance.

However, as seen in many organisms over history, while these major storms kill of organisms, they can recover.

So although major storms decrease populations, they dont actually limit them.

In the end:

B is correct

C is correct

E is correct

Hope this helps!

The cell is the basic structural, functional, and biological unit of all living organisms.

The structural and essential component of life is the cell. Cell biology is the study of cells, including their fundamental makeup and the purposes of each of their organelles.

The first biologist to discover cells was Robert Hooke. Cells make up every living thing. They could consist of several cells (multicellular) or just one cell (unicellular) (multicellular).

The tiniest cells known to science are mycoplasmas. All living things are constructed from cells. They give the body structure and turn the nutrients from the diet into energy.

Complex cells conduct a variety of tasks for an organism's parts. They resemble masonry bricks in that they come in a variety of sizes and forms.

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Answer:

The first alligator ancestors evolved about 245 million years ago.

Explanation:

The first alligator ancestors evolved about 245 million years ago due to change in the environmental condition.  crocodilians appeared about 80 million years ago during the Cretaceous period. Modern alligators has experience less changes which is closely related to their ancient ancestors and look much like to their relatives that exists about 80 million years ago. The main reason for the change in the body structure of alligator is due to change in environmental condition.

The evolution of alligators can be analyzed by sequencing samples of different species and then producing a bioinformatic analysis.

Evolution means descendence with some class of modification in offspring (phenotypic, genetic, etc).

In conclusion, the evolution of alligators can be analyzed by sequencing samples of different species and then producing a bioinformatic analysis.

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Answer:

The correct answer is - "If you increase the amount you talk to plants, then they will grow taller"

Explanation:

A hypothesis is a proposed or assumed explanation for the natural system or problem. It forms on the pre-existed or known data or knowledge. A good hypothesis should have the ability to relate to dependent and independent variables.

In this case, the best hypothesis would be "If you increase the amount you talk to plants, then they will grow taller" as it relates to the dependent and independent variables that are the growth of the plant and talking to the plant respectively.

Answer:

Yes

Explanation:

astrophysicists can now see the solar wind with their own eyes.

Answer: The energy of the molecules in the hockey puck decreases.

Explanation:

When the temperature of the hockey puck decreases, then the energy of the molecules in the hockey puck decreases as well.

In this scenario, when the temperature of the hockey puck decreases, then the hockey puck will gain heat molecules and the cold energy of the molecules that are in the hockey puck will reduce.

Answer:

A food chain outlines who eats whom. A food web is all of the food chains in an ecosystem.

Explanation:

Each organism in an ecosystem occupies a specific trophic level or position in the food chain or web.

Answer:

I say the correct answer is the 3rd one.

Explanation:

Answer is number 3

Answer: Mendel and genetics

Explanation:

Answer:

false

Explanation:

because it is osmosis any liquid (water) can move through the membrane withought energy

Answer:

False

Explanation: