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damaskus [11]
3 years ago
12

20 POINTS!! please help! I can't understand this!!!

Biology
1 answer:
xz_007 [3.2K]3 years ago
3 0

The ground finches adapted to have larger beaks to eat the bigger seeds in the drier seasons. This means over the years only the bigger beaked finches could survive to reproduce.

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How many of Earth's spheres does
Tpy6a [65]

The carbon cycle moves through virtually all of the earth's spheres.

<h3>Carbon cycle</h3>

There are 4 majors spheres of the earth:

  1. Atmosphere
  2. Geosphere or Lithosphere
  3. Biosphere
  4. Hydrosphere

The carbon cycle moves through the air (atmosphere), oceans (hydrosphere), organisms (biosphere), and the soil (geosphere).

Thus, the carbon cycle moves through all the spheres of the earth.

More on the carbon cycle can be found here: brainly.com/question/1627609

#SPJ1

6 0
2 years ago
Which structural characteristic is found in both plant and animal cells?
defon


The best answer is A.

Mitochondria are small organelles found floating  free in the cytoplasm of both animal and plant cells. They consist of two membranes, an outer and inner membrane which has numerous folds creating layered structures called cristae.Inside the mitochondria, there is found  fluid called the matrix

 Mitochondria are the powerhouse of cells. Many of the reactions in cellular respiration that take place in the cell occur in mitochondria and thus these organelles are key in the production of energy .


6 0
3 years ago
True or false: The energy contained in the food we eat directly powers all of our cellular activities. If false, please make it
Gwar [14]

Answer:

False

"The energy contained in the food we eat is used to synthesize the energy that directly powers all of our cellular activities".

Explanation:

The food we eat undoubtedly contains energy. This energy is stored in the bonds of the molecules that make up the food. However, the food undergoes the process of digestion to yield glucose (a sugar). This glucose sugar is used in the process of CELLULAR RESPIRATION to synthesize a form of chemical energy usable by cells called ATP.

ATP or Adenosine triphosphate is a molecule that stores chemical energy in living cells. It is the molecule that directly powers all of our cellular activities. Hence, the statement in this question is FALSE. The correct statement should be "The energy contained in the food we eat is used to synthesize the energy that directly powers all of our cellular activities".

5 0
3 years ago
Look carefully at the model. During a drought, there is less water available for the plants. There is less runoff and less infil
Pavel [41]

Answer:

During a drought, there is less water available for the plants. There is less runoff and less infiltration. During a drought, less water is returned to the atmosphere by the plants through transpiration, and there is a decrease in the plants' rate of photosynthesis.

3 0
3 years ago
In artificial selection, humans provide the selective pressure for species to change and shape the evolution of various breeds.
asambeis [7]
The environment provides the selective pressure in natural selection. Artificial Selection  is a type of choice in which people effectively pick which characteristics ought to be passed onto posterity. People have utilized particular rearing some time before Darwin's Postulates and the disclosure of hereditary qualities. It is the rearing of plants and creatures to deliver attractive qualities. Living beings with the coveted characteristics, for example, size or taste, are misleadingly mated or cross-pollinated with creatures with comparable wanted attributes.
3 0
3 years ago
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