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chemical
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What is the stimulus in chemotropism?
The stimulus in chemotropism is the presence of a chemical gradient in the environment. Plant roots, for example, can grow towards higher concentrations of specific chemicals in the soil to enhance nutrient uptake.
What is meant by chemotropism?
Tropism is defined as the movement, generally by a plant, due to outside stimuli; direction of sunlight being a primary stimulus. Chemotropism is defined as oriented growth or movement in response to a chemical stimulus.
What is the definition of chemotropism and what exhibits it?
Movement or growth of an organism or part of an organism in response to a chemical stimulus.
What is the scientific term associated with plant growth to or away from a stimulus?
The general term for this behavior is tropism. It can take a variety of forms, including phototropism (when the stimulus is light) and chemotropism (when the stimulus is a particular chemical).
What are chemo tropism and hydro tropism?
Chemotropism : The movement of plant parts in response to chemical stimulus is called chemotropism. example- formation of pollen tube by pollen grains in order to transfer male gamete to the ovary. Hydrotropism : The movement of plant parts in response to water is called hydrotropism. example- movement of roots in search of water.
What are plants that has chemotropism?
Plants such as parasitic plants, like dodder and mistletoe, exhibit chemotropism. These plants use chemical cues to locate and attach to their host plants for nutrients. By responding to chemical signals, they can direct their growth towards a suitable host.
What are the examples of chemotropism?
Examples of chemotropism include pollen tube growth towards ovules in plants, fungal hyphae growth towards nutrients in the soil, and bacterial movement towards sources of nutrients or away from harmful substances.
How do you spell stimulus?
'Stimulus' is the correct spelling.
What is the different between an external stimulus and an internal stimulus?
The difference between an external stimulus and an internal stimulus is that an external stimulus is a stimulus that comes from outside an organism. But an internal stumulus is a stimulus that comes from inside an organism. An example for an external stimulus can be that when you are cold, you put on a jacket. An example for an internal stimulus is that when you feel hungry, you eat food.
What are the four characteristics of a stimulus in stimulus coding?
The characteristics are modality (type of stimulus), intensity (strength of stimulus), duration (length of stimulus), and location (where the stimulus occurred).
What do you call the tendency to respond to a stimulus that is similar but not identical to a conditioned stimulus?
Generalization is the tendency to respond to a stimulus that is similar but not identical to a conditioned stimulus.
How does a neutral stimulus become a conditioned stimulus?
A neutral stimulus becomes a conditioned stimulus through a process called classical conditioning. This happens when the neutral stimulus is paired consistently with an unconditioned stimulus that naturally elicits a response. Over time, the neutral stimulus begins to evoke the same response as the unconditioned stimulus, becoming a conditioned stimulus.
