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
Salsk061 [2.6K]
3 years ago
11

What abiotic factors might affect a river ecosystem?

Biology
1 answer:
Sveta_85 [38]3 years ago
5 0

the rain!

hope this helps


You might be interested in
Many whales have tiny, unused hip and pelvis bones known as vestigial organs. How does this evidence support theories about anim
Vladimir [108]

Answer:

O Vestigial organs show that whales may have evolved from a common ancestor shared with land-dwelling animals

Explanation:

Vestigial organs are defined as the organs which are no longer beneficial for survival.

Whales can be observed with tiny, unused hip and pelvis bones which are vestigial organs for them as they are no longer beneficial for their survival. The vestigial organs are the evidence of evolution in organisms and in whales also these vestigial organs says that whales and land-dwelling animals may have common ancestors. Later on with evolution some land-dwelling animals might move to water systems and hip and pelvis bones become vestigial organs for them which along with time decreasing in the future offspring.

Hence, the correct answer is "Vestigial organs show that whales may have evolved from a common ancestor shared with land-dwelling animals".

4 0
3 years ago
Read 2 more answers
Trains have developed over the years as technology has improved. Now, there are electronic trains that do not need conductors to
seropon [69]

Answer:

they tend to run more smoothly and on schedule;

not having a human on board to deal with unexpected problems

Explanation:

I just had the same one

7 0
2 years ago
What type of things demand energy in our lives
andriy [413]
Heating and cooling our homes, lighting office buildings, driving cars and moving freight
8 0
3 years ago
As a piece of linear dna is replicated, the leading strand will have _____ rna primer(s) and the lagging strand will have _____
EastWind [94]
1.will have one 2.will have many
3 0
3 years ago
Which of the following is the longest distance from Earth?
alisha [4.7K]

Answer: I would say say C. the distance to the next galaxy

8 0
4 years ago
Other questions:
  • a boulder at the top of a mountain has what kind of energy? a. electrical b. potential c. kinetic d. nuclear
    10·1 answer
  • Logging is the main threat to old growth forests found in the northwestern united states.
    13·1 answer
  • What are the laws related to smoking in south africa -with a focus on individual freedom,choice and passive smoking?
    9·1 answer
  • Based on your knowledge of how the greenhouse effect works, why does the level of carbon dioxide affect the global temperature?
    11·1 answer
  • Animals eat other organisms to obtain food. They then break down the food to get energy and rearrange the molecules of their foo
    10·1 answer
  • How would the same cells look if they were viewed using a light microscope instead?
    13·1 answer
  • Imagine you have discovered a new species of bacteria. To begin your investigation of this organism, you run an assay on the tot
    9·1 answer
  • Which of the following is not true of ferns, flatworms and humans
    8·2 answers
  • Select the correct answer.
    9·1 answer
  • 2. Full-sized wings are the typical phenotype for Drosophila. Which of the following events most likely led to the
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!