1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Contact [7]
2 years ago
13

On the Galapagos islands, Charles Darwin studied many species of finches found nowhere else in the world. Each species had devel

oped unique structures for eating different foods. Darwin's finches are among the best examples of an evolutionary process by which new biological species arise. This process is known as...
Biology
1 answer:
Sedbober [7]2 years ago
7 0

When Charles Darwin stepped ashore on the Galapagos Islands in September 1835, it was the start of five weeks that would change the world of science, although he did not know it at the time. Among other finds, he observed and collected the variety of small birds that inhabited the islands, but he did not realize their significance, and failed to keep good records of his specimens and where they were collected.


You might be interested in
A phospholipid . Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a has bot
just olya [345]

Answer:

A phospholipid

a. has both polar and nonpolar regions.

Explanation:

Phospholipids, as amphipathic molecules, consist of a glycerol molecule, two fatty acids, and a phosphate group that is modified by an alcohol.  The phosphate group is the negatively-charged hydrophilic (water-loving) polar head, which face outward and are attracted to the intracellular and extracellular fluid.  The fatty acids are the uncharged, hydrophobic (water-fearing) nonpolar tails, which face the inside, away from the water and meet in the inner region of the membrane.

4 0
2 years ago
What happens to the amount of energy as you go up the energy pyramid? Be as specific as possible
yuradex [85]

Answer:

Energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level. Trophic level transfer efficiency (TLTE) measures the amount of energy that is transferred between trophic levels.

Explanation:

hope this helps!

7 0
2 years ago
Read 2 more answers
What is a penis and sperm​
Oduvanchick [21]
Male genitalia, and the stuff that comes out of it
8 0
3 years ago
Read 2 more answers
The junction type that lets neighboring cells exchange small molecules is the
olya-2409 [2.1K]

Answer:

Gap junctions.

Explanation:

Gap junctions may be defined as the intercellular connection present between the cells of the animals. They are made of the connexons and present in all cells of the body except skeletal muscles.

The small molecules and ions can easily pass through the gap junctions. The neighbouring cells can pass the molecules and communicates with each other through the gap junctions. They are known as  macula communicans. Invertebrates have the gap junction made of innexin.

Thus, the answer is gap junctions.

3 0
3 years ago
In humans, bone marrow creates multiple types of blood cells in a process where
Anvisha [2.4K]

Answer:

c

Explanation:

3 0
3 years ago
Other questions:
  • The number of domains kingdoms and classification levels
    15·1 answer
  • The integumentary system covers the entire surface of the body and consists of the
    6·1 answer
  • 5. A ________ is wind-powered movement of ocean water over great distances.
    10·1 answer
  • An embryonic stem cell is a cell that can differentiate into any type of tissue. What is the latest stage in which you can find
    13·1 answer
  • What is a cells power plant
    5·2 answers
  • A satellite weighs 10,000N on earth. If the satellite orbits at a distance of 1 earth radii (twice as far from the center of the
    5·1 answer
  • Explain how hurricanes can affect human life in Florida. Use complete sentences. (3 points)
    13·1 answer
  • Which of the following is considered the first receiver for the nicotine in a smocking person?
    12·1 answer
  • Most of all cells enzymes are
    14·1 answer
  • What picture best describes the function of the organelle "chloroplast" for example a cell membrane describes its function to a
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!