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Rainbow [258]
3 years ago
14

Some scientists study the way fossils and living organisms are distributed, or spread out, on the Earth. What is this area of st

udy called
Biology
1 answer:
diamong [38]3 years ago
4 0

Answer:

Paleontology

Explanation:

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Gram-positive and gram-negative bacteria are most commonly differentiated in the laboratory by __________.
alisha [4.7K]
Gram staining
Gram-positive turns pink or red
Gram negative turns dark blue or purple
8 0
3 years ago
In the lab, you will change the number of birds with each beak phenotype for the second and third generations. What row of the d
nlexa [21]

Answer:

Percentage of food eaten by the flock

Why is the percentage of food eaten a good number to use? Explanation:

A percentage compares the number of birds in the flock to the total number of birds in all flocks.

If the percentage is high, the flock is more successful, so the flock should grow.

If the percentage is low, the flock is struggling to eat, so the flock should shrink.

6 0
3 years ago
Read 2 more answers
How is the range of a data set determined?
Makovka662 [10]

Answer:

D

Largest value minus the smallest value

Explanation:

The range of a set of data is the difference between the highest and lowest values in the set. To find the range, first order the data from least to greatest. Then subtract the smallest value from the largest value in the set.

7 0
3 years ago
Mendel crossed peas having round seeds and yellow cotyledons (seed leaves) with peas having wrinkled seeds and green cotyledons.
Kruka [31]

Answer:

Let:

Y = Yellow           R = Round

y = green             r = Wrinkled

If you look at the F1 generation, all the plants are round and yellow, so these are the dominant traits and each offspring is heterozygous for both traits. The cross for the F2 generation would then be:

<em>YyRr x YyRr</em>

In a Punnett it would look like the attached picture.

For the forked-line diagram, first you will need to know the gentypes and ratio of each trait in a monohybrid cross. Select one trait, and then branch each gentype to the next trait, linking it with each possible genotype combination of the monohybrid cross.

Attached is a picture of the Forked Branch diagram for this cross.

7 0
3 years ago
Identify predator and prey
Fudgin [204]
Predator is what hunts and prey is what is hunted! May I get brainiac
8 0
3 years ago
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