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
Alex_Xolod [135]
4 years ago
9

While visiting the Galapagos Islands in 1835, Charles Darwin collected over thirteen different species of a type of bird called

a finch. He later observed that the birds were similar in many ways but often differed in the size and shape of their beaks. Which statement BEST summarizes Darwin's explanantion for the different beaks he observed in these finch species?
Biology
2 answers:
STatiana [176]4 years ago
8 0
The finches had all descended from a common ancestor but their beaks had changed over time as the ones that were better at eating the food on their islands ate more food and were more likely to survive and pass on their superior beak to their offspring.
iris [78.8K]4 years ago
8 0
The beak of each finch species is a result of natural selection. 
You might be interested in
All claims in science should be supported by
Murljashka [212]
Evidence

Hope this helps. Have a great day! :)
4 0
3 years ago
Which of the following could be found on either public or private land?
Reptile [31]
<span>The option that could be found on either public or private land is C. mine. A state park can only be found on public land, because parks are owned by states, not regular people. A single-family residence is only found on private land, because that is a house that a family owns. A factory is on private land only, because it belongs to a person or another company. Which leaves us with mines, that can be found both on private and public lands.</span>
5 0
3 years ago
Read 2 more answers
What would happen if DNA didn't have a backbone?
Ronch [10]
It would fall apart, leading to cancer.  Please mark Brainliest!!!
7 0
3 years ago
Babies with very low or very high birth weight are less likely to survive. The graph shows the percentage of babies born at
professor190 [17]

Answer:

453

Explanation:

i have no clue

7 0
3 years ago
Read 2 more answers
Looking at the image of the freshwater lake ecosystem in the reading, can you name biotic and abiotic factors in this specific e
atroni [7]

Answer:

Biotic factors include: Fish (phytoplankton-eater, zooplankton-eater, predator)

, Crayfish

, Zooplankton

, Grasses, phytoplankton, herbivorous insect, worms, etc.

Abiotic factors include: Sunlight, Rainfall, Sedimentation, Weather, Minerals, Temperature.

Changes that would impact the biotic factors include:

Water, air pollution

Human activities: such as overfishing, rechanneling of the water for purposes such as irrigation, domestic or industrial use, or dredging of the bottom of the lake.

Explanation:

An ecosystem is composed of biotic and abiotic factors. Abiotic factors are non-living environmental factors such as water, air, soil, sunlight, and minerals. In aquatic ecosystems, abiotic factors include substrate type, water depth, nutrient levels, temperature, salinity, and waterflow. Biotic factors are the living organisms in the ecosystem and they include animals, birds, plants, fungi, etc.

In the image of the freshwater lake ecosystem given,

Biotic factors include: Fish (phytoplankton-eater, zooplankton-eater, predator)

, Crayfish

, Zooplankton

, Grasses, phytoplankton, herbivorous insect, worms.

Abiotic factors include: Sunlight, Rainfall, Sedimentation, Weather, Minerals, Temperature.

Changes that would impact the biotic factors include:

Pollution: pollution such as water pollution and air pollution will adversely impact the biotic factors.

Human activities: such as overfishing, rechanneling of the water for purposes such as irrigation, domestic or industrial use, or dredging of the bottom of the lake.

8 0
3 years ago
Read 2 more answers
Other questions:
  • What do micro-algae and macro-algae have in common?
    13·1 answer
  • Which equation satisfies the law of conservation of matter?
    10·1 answer
  • HELPPPPPPPPPPPPP,.........................
    10·1 answer
  • When in england, darwin displayed a wide variety of physical symptoms. these symptoms were probably ___?
    15·1 answer
  • What’s the Answer.............
    8·1 answer
  • How is gametogenesis different in females than in males?
    10·1 answer
  • Please hurry I’m being TIMED
    7·2 answers
  • Will give brainiest if i can
    7·1 answer
  • Homologous structures and analogous structures are both evidence of a single common ancestor for more than one species.
    8·1 answer
  • Atoms of the same element with different numbers of neutrons are called ______.
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!