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Elongation of the meristematic tissue
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What is Geo-Tropism?
Geotropism is a plant growth or movement in response to gravity. Upward growth of the plant's parts against gravity is called negative geotropism, whilst downward growth of roots is called positive geotropism.
How do the shoots of plants respond to gravity?
The shoots of plants respond to gravity through a process called gravitropism, where they grow in the direction of gravity. This response helps the shoots to grow upward and the roots downward, optimizing their position for optimal growth and nutrient absorption. Specialized cells called statocytes sense gravity and trigger hormonal changes that mediate this growth response.
What are the names of the upwards and downward forces?
The upward force is called lift, while the downward force is called weight or gravity.
In a germinating seed the downward growth of roots and upward growth of leaves and stems are the plants responses to?
In a germinating seed, the downward growth of roots and the upward growth of leaves and stems are responses to gravity, known as gravitropism. Roots exhibit positive gravitropism, growing downward towards the gravitational pull, which helps anchor the plant and access water and nutrients. In contrast, stems and leaves display negative gravitropism, growing upward away from gravity to maximize light exposure for photosynthesis. These coordinated responses ensure the plant establishes a stable foundation while reaching for essential resources.
What is an upward or downward slant?
An upward slant indicates a positive trend or growth in something, such as sales or performance. A downward slant indicates a negative trend or decline in something, such as productivity or stock prices.
How can you tell that the corn plants were responding to gravity rather than light water or the direction the seed was pointing?
Corn plants exhibit a phenomenon called gravitropism, where their roots grow downward in response to gravity while their shoots grow upward. If the corn plants were placed in a dark environment and still demonstrated this growth direction, it would indicate a response to gravity rather than light. Additionally, if the plants were rotated, but their roots continued to grow downward and shoots upward, this further supports the conclusion that gravity is the primary factor influencing their growth orientation. Other factors like water and seed orientation would not consistently produce the same directional responses.
An upward or downward slant?
An upward slant is known as an incline or ascent, while a downward slant is called a decline or descent. These terms are often used to describe the direction or angle of a slope or surface.
When the upward and downward forces on a falling object or changes its direction is called an?
Terminal Velocity.
The relationship between the upward and downward forces exerted on an object in a liquid is called?
buoyancy
A movie is made showing successive frames for an object accelerating downward. If the sequence is run backward would the object accelerate upward or downward?
UPWARD UPWARD UPWARD
How are geotropism and phototropism similar?
Both geotropism and phototropism involve plant growth responses to external stimuli. Geotropism is a plant's growth response to gravity, which helps roots grow downward and stems grow upward. Phototropism is a plant's growth response to light, guiding plants towards a light source for photosynthesis. Both tropisms aid plants in optimizing their growth and development.
What is the opposite of downward?
Upward.
