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
laila [671]
3 years ago
6

Why do leaves fall off of trees during fall and winter

Biology
2 answers:
Natalija [7]3 years ago
8 0
Because the trees go into a different state during the seasons
TiliK225 [7]3 years ago
6 0
as the days grow shorter and colder, those changes trigger a hormone in leaf-dropping trees that sends a chemical message to every leaf that says, in essence, "Time to go! Let's part company!"
You might be interested in
What is true about scientific idea?
marshall27 [118]
It can be observed and tested
6 0
3 years ago
In an ecosystem, which list of organisms is in the correct order from producer to top-level consumer? (20 points)
stellarik [79]
The answer would be C) grass, field mouse, snake, hawk.

Have a great day!
8 0
2 years ago
Read 2 more answers
Describe the structure of the nucleus and explain the function of each part.
Minchanka [31]

The nucleus is an organelle found in eukaryotic cells. Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material. This material is organized as DNA molecules, along with a variety of proteins, to form chromosomes.

6 0
2 years ago
Which is unique about carbon
sergey [27]
Carbon is the only element that can form so many different compounds because each carbon atom can form four chemical bonds to other atoms, and because the carbon atom is just the right, small size to fit in comfortably as parts of very large molecules. ... They can even join "head-to-tail" to make rings of carbon atoms.
6 0
3 years ago
The presence of a meal in the stomach triggers an increase in the colonic motility and an increase in the frequency of mass move
34kurt

Answer: Gastrocholic reflex

Explanation:

The gastrocholic reflex or gastrocolic response is one of the physiological reflexes in the stomach  which controls the movements like peristalsis and motility in the gastrointestinal tract.

This reflex is generated by the the food particles that enters the stomach. The  bolus of the food in the stomach helps in the mass movement of the other food particles in the colon.

This reflex is known as gastrocholic reflex.

7 0
3 years ago
Other questions:
  • The major causes of groundwater pollution in the United States are fertilizers, pesticides, and chemical spills.
    6·2 answers
  • 5. Which of the two cell reproduction processes that we learned about in this lesson is the one that is necessary for sexual rep
    15·1 answer
  • The student nurse is providing an education program for preschool parents. the nursing student should include which intervention
    7·1 answer
  • keikos teacher was discussing the theory of endosymbiosis. she asked keiko to mark the organelles in the diagram that most close
    6·1 answer
  • Which took longer to form: sea stack, sea arch, or sea cave? explain
    13·1 answer
  • What structures make up the general structure of cardiac muscle cells?
    8·1 answer
  • An unknown black mineral must be identified as one of the minerals on this data table
    14·2 answers
  • An amoeba is a one-celled organism. The cell theory states that which of - 7 poin
    7·1 answer
  • Mercury ,lead Nicole, and chromium are all example of ____ I need help please
    10·2 answers
  • Below is a illustration of an ATP molecule. ATP is a molecule produced during cellular respiration that provides energy for the
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!