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Doss [256]
3 years ago
6

Help , THERE R NO ANSWER CHOICES . PLZ HELP , NO SHORT ANSWERS

Biology
2 answers:
Korolek [52]3 years ago
8 0

The black species of peppered moths which previously stood out against the white tree bark will now blend in because of the layer of soot covering the trees, causing their numbers to rise. Furthermore the white moths which used to blend in will now be chosen against and their populations will fall.




MrMuchimi3 years ago
5 0
Factories are throwing harmful substances in the air that can harm humans and animals and they could die.
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You have spent time working with a population of beetles. Sexually mature males range in size from 2-6 cm in length. You realize
babymother [125]

Answer:

Option B, No

Explanation:

Complete question is as follows -

You have spent time working with a population of beetles. Sexually mature males range in size from 2-6 cm in length. You realize that the females only mate with males that measure less than 3 cm long. If you measured allele frequencies at a single gene (locus) that contributes to overall length, would you expect this population to be in H-W equilibrium from one generation to the next?

Select one:

a. Yes

b. No

Solution -

No, because Hardy Weinberg’s equilibrium theory is not applicable in practical scenario as it assumes that H-W equilibrium persists from one generation to the other only when these is no disturbing factor . These disturbing factors include – natural selection, non-random mating, genetic drift, gene flow and mutations. Since this theory works only in an idealized state where no such disturbances occur, it is very difficult to say that the beetle population can remain in H-W equilibrium. Also the females in the beetle population are selecting the males for mating thereby exhibiting sexual selection. Hence, H-W equilibrium will not be applicable.

Hence, option B

5 0
3 years ago
Draw a food chain that includes the ants, fungal gardens, mold, and bacteria. Label the drawings and add arrows to show how the
Marianna [84]

Answer:

Symbiosis and decomposers.

Explanation:

The ants feed on both plants and insects so we can say that ants are omnivorous. They make a symbiotic relationship of mutualism with fungi such as mold which helps the ants to breakdown the cellulose of plants whereas plants provide habitat to fungi. The bacteria feeds on the dead body of ants and release nutrients by performing the function of decomposition so bacteria acts as decomposer so in that way these four organisms interact with each other.

8 0
3 years ago
FBI Investigator Vaughan has found bullet cases on the scene of a crime and suspects they came from a gun used in another crime.
marin [14]

Answer:

NIBIN

Explanation:

i remember reading it in the module and i took the test and got this question correct :)

8 0
3 years ago
How are stromatolite fossils evidence of earths early life?
Alchen [17]

Answer:

“Stromatolites are pervasive in the fossil record and are some of our earliest examples of life on Earth,” he says. “The microbial mats that created them were predominantly made up of cyanobacteria, which used photosynthesis – like plants do – to turn sunlight into energy while producing so much oxygen over time they changed the early Earth’s atmosphere to make it habitable for complex life.

8 0
2 years ago
How are the front limbs different from the hind limbs on a frog
katovenus [111]
Which limbs the  frog uses most to land  on where  and how  he  landing.
7 0
3 years ago
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