Answer;
-Stimulus
Environmental change that triggers a definite action on the part of the organism serves as a stimulus.
Explanation;
-A stimulus (plural stimuli) is a detectable change in the internal or external environment.
-A stimulus can be internal or external. Sense organs, such as the ear, and sensory receptors, such as those in the skin, are sensitive to external stimuli such as sound and touch. For instance; A tropism is a response that an organism makes to a stimulus. An example of a common tropism in plants is phototropism. Plants grow towards light sources, and if the direction of light is changed, the plant will also change its direction of growth to accommodate for survival.
Answer:
The two parts of the DNA line up on the sides of the cell, getting ready to let the cell pinch and then go into telophase
Answer:
Plants that have many periods of reprodution are called perrenials.
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The best way to reduce wind erosion on farm is to plant ground cover in unused fields.
Explanation:
- Wind erosion is defined as the removal of the top soil from unused barren land by winds.
- This results in degradation in the soil fertility and renders it unproductive.
- Roots of plants bind soil particles.
- Planting ground covers like herbs , shrubs and wild plants on unused land will prevent the exposure of the top soil to the eroding agents and reduce erosion.
Answer:
A
Explanation:
They form in mountains and flow through mountain river valleys. Glaciers cause erosion by plucking and abrasion.
