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
aleksley [76]
3 years ago
9

How do plant roots "know" to grow downward? This is a plant response called

Biology
2 answers:
nirvana33 [79]3 years ago
4 0

Answer:

The correct answer would be A) gravitropism

Gravitropism or geotropism refers to the differential growth of a plant in response to the gravitational pull.

For example, roots show positive geotropism, that is, they grow in direction of gravitational pull.

In contrast, shoots show negative geotropism, that is, they grow in opposite direction as compared to the direction of gravitational pull.

Dima020 [189]3 years ago
3 0
A) gravitropism is how they "know"
You might be interested in
12. As a result of photosynthesis, what is produced *
Sloan [31]

Answer:

As a result of photosynthesis oxygen and sugar

7 0
3 years ago
_____ are cells that identify, pursue, and attack harmful invaders in the body.
Paul [167]
White blood cells, also know as macrophages or phagocytes
4 0
3 years ago
During the tertiary stages of wastewater treatment nutrients such as phosphorus and nitrogen are added to the water. true or fal
adelina 88 [10]
The correct answer is false on nuski

5 0
3 years ago
Read 2 more answers
What is a possible effect of crossing animals that belong to different species?
AveGali [126]
It will can cause infertile offspring (the offspring can't have kids)
5 0
2 years ago
Read 2 more answers
Alcohol and other psychoactive drugs affect which parts of the brain? #1. primitive brain #2. reasoning center of the new brain
pogonyaev
The part of the brain which is affected is reasoning center of the new brain. Drinking alcohol also decreases motor function and slow reaction time, this is why when a person is drunk, he/she may not be able to stand or walk a straight line. Psychoactive drug or psychotropic substance is a chemical substance that acts primarily upon the central nervous system where it alters brain function resulting in temporary changes in perception, mood, consciousness and behavior.
8 0
3 years ago
Other questions:
  • You are carefully examining a living organism. Which of the following should convince you that the organism is acoelomate?
    6·1 answer
  • Most fertilizers contain ammonia. Ammonia (NH3) forms when hydrogen reacts with nitrogen. Which balanced equation represents amm
    8·1 answer
  • Food webs show how matter and energy can move in an ecosystem. Which of the following relationships would NOT be found in a food
    6·1 answer
  • How is the impact of a severe storm on a healthy marsh similar to
    14·1 answer
  • A biologist who follows the _________ paradigm assumes that each part of a living organism is an adaptation and that the functio
    9·1 answer
  • Please select the word from the list that best fits the definition has constantly changing amount of salt in the water
    12·2 answers
  • Why do you think so many objects are able to impact the moons surface
    11·1 answer
  • Identify The disease causing organisms
    10·1 answer
  • Calculate the number of International Flights​
    12·1 answer
  • In 1997, nonnative and invasive Asian swamp eels were collected in Florida for the first time at two sites near Tampa and Miami.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!