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oksano4ka [1.4K]
3 years ago
15

The diagram is a model of one way that materials move across the cell membrane. Oxygen molecules are represented by two ridge ci

rcles. Carbon dioxide molecules are represented by a great circle with two red circles attached. The left hand side of the diagram shows the beginning continents of the two types of molecules. The right hand side shows how the molecules move over time. Which sentence best explains the movement of the oxygen molecules over time
Biology
1 answer:
Firdavs [7]3 years ago
7 0

Answer:

They move to an area with a lower oxygen concentration.

so so sorry if i got this wrong

Explanation:

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PLEASE HELP I WILL BE GIVING THE BRAINLIEST AND 15 POINTS!!!!!!!!
sineoko [7]
Hello again!

One limiting factor is the climate changes that the mammoths faced. They “stressed the mammoth population”

Another could be the humans as they arrived, the mammoths had gone extinct

Lastly the mammoths needed a lot of space as they were very big.

Hope this helped
5 0
4 years ago
Read each statement and decide what type of ecological interaction it describes.
Artist 52 [7]

1. Camouflage

2. Competition

3. Competition

4. Symbiosis

<h3><u>Explanation</u>:</h3>

The camouflage is defined as the property of the living organisms that make them to prepare their body to perfectly match with their surroundings so that they cannot be recognised by their hunters. This makes them survive more in an environment with full of competition.

The competition is an interaction between the organisms where in a particular environment, different organisms compete for a particular prey for their living. Here the theory of the survival of the fittest work.

The symbiosis is an interaction between two or more species which leads to benifit of both the species in their living. Here one species help other in a form and other species do the same. There's benifit for both in the interaction.

7 0
4 years ago
A diagram of chloroplast stroma and thylakoid lumen showing chemical energy, ferredoxin, ferredoxin-N A D p reductase, A D P syn
antoniya [11.8K]

Answer:

If the electron transport system did not work, electrons from PSII would not be transferred to PSI. Ferredoxin would then have no electrons to transfer to NADP+ so NADPH would not be produced. This would also affect the light-independent reaction of photosynthesis because NADPH is needed in this reaction.

Explanation:

Edgenuity's Answer.

4 0
3 years ago
You want to determine whether short wings in fruit flies are the result of a dominant or recessive mutation. You cross a short-w
Natalka [10]

Answer:

a dominant mutation

Explanation:

A monohybrid testcross is a cross-breeding experiment used to determine if an individual exhibiting a dominant phenotype is homo-zygous dominant or heterozygous for a particular phenotypic trait (in this case, wing length). In a monohybrid testcross, a 1:1 phenotypic ratio shows that the dominant parental phenotype was a heterozygote for a single gene that has complete dominance. Moreover, a 3:1 ratio in the F2 is expected of a cross between heterozygous F1 individuals, which means that 75% of individuals with short wings have the dominant allele that masks the expression of the long-wing trait (i.e. the recessive allele).

4 0
3 years ago
Speciation without geographic isolation is called ________ speciation.
s2008m [1.1K]
The answer is A. Sympatric
3 0
3 years ago
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