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sveta [45]
3 years ago
5

In order to support his theory of evolutionary change, Charles Darwin concentrated his studies on the many species of finches in

the Galapagos islands. Darwin noted that many of the birds had different shapes and styles of beak.
what is the possible explanation for what Darwin observed?

a. People had bred the birds to have beaks with varied shapes and sizes

b. Some birds had been injured by predators and were poor competitors.

c. The birds had beaks that were adapted for feeding differently

d. The brids had different beaks because the female preferred certain beak shapes over others
Biology
2 answers:
Pavel [41]3 years ago
5 0
The answer would be c
ale4655 [162]3 years ago
4 0

I think the answer would be c. because for birds with longer beaks, it was easier to eat seeds off a cactus (for example), and for birds with shorter seeds, it was easier to eat seeds off the ground.

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babunello [35]

Answer:

B. Allows for specialized regions with specialized functions

Explanation:

Where the complete digestive system has different specialized regions to perform specialized functions, the gastrovascular cavity is the primary organ of digestion and circulation in two major animal phyla: the Cnidaria (including jellyfish and corals) and Platyhelminthes (flatworms).

6 0
3 years ago
Clara is a vegan and she does not drink milk, a food advertised as a best source of calcium. But she is not worried too much sin
marysya [2.9K]

Explanation:

%DV label= 27%

1 cup of cooked collared greens= aprx 266.60 mg of Calcium

Assuming Clara is...

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For teenaged Clara

∵27 % DV= 270mg

% daily Calcium=  \frac{270}{1300}  * 100= = 20.8 ≈ 21%

=0.21

<u>21% of her daily calcium needs is in a cup of cooked collard greens.</u>

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Learn more about energy storage at brainly.com/question/523624

Learn more about homeostasis at brainly.com/question/1601808

#LearnWithBrainly

3 0
3 years ago
When the centromeres split in mitosis,what does the sister chromatids’ name change to?
snow_lady [41]

Answer:

During anaphase 2, the chromosomes' centromeres break, and the spindle fibers pull the chromatids apart. The two split portions of the cells are officially known as "sister chromosomes" at this point.

Explanation:

5 0
3 years ago
Which best describes a disadvantage of this scenario?
Andre45 [30]

Answer:

Which best describes a disadvantage of this scenario?

Scientists have cloned goats so they can take out a

protein in the goats' milk and use it to make medicine.

The goats are raised in a laboratory. The medicine that

is produced can help with certain diseases that affect

humans.

O The goats will have more genetic variation

O The goats will become infected with the human

diseases.

There are unknown health risks to the goats.

O There could be many health risks to drinking the

goats' milkWhich best describes a disadvantage of this scenario?

Scientists have cloned goats so they can take out a

protein in the goats' milk and use it to make medicine.

The goats are raised in a laboratory. The medicine that

is produced can help with certain diseases that affect

humans.

O The goats will have more genetic variation

O The goats will become infected with the human

diseases.

There are unknown health risks to the goats.

O There could be many health risks to drinking the

goats' milkWhich best describes a disadvantage of this scenario?

Scientists have cloned goats so they can take out a

protein in the goats' milk and use it to make medicine.

The goats are raised in a laboratory. The medicine that

is produced can help with certain diseases that affect

humans.

O The goats will have more genetic variation

O The goats will become infected with the human

diseases.

There are unknown health risks to the goats.

O There could be many health risks to drinking the

goats' milk

Explanation:

8 0
3 years ago
The leaves of a sensitive plant close whenever any part of the plant is touched because of a???
nadya68 [22]
It is thigmotropism because it is not affected by gravity or light.
6 0
4 years ago
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