"Plants and Environment" Biology and Environment PPT Courseware

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"Plants and Environment" Biology and Environment PPT Courseware

Why are there such big differences in the external forms of the two plants, Monstera deliciosa and Cactus? (What does it have to do with their growing environment?)

Answer: 1. There is sufficient rainfall in the shade plant area, and most of the water absorbed from the soil is consumed in transpiration. The leaves are the main transpiration parts, and most of the water has to escape from here, so they are large and green. 2. Desert areas are short of rain and water. In order to adapt to the harsh drought environment, the leaves degenerate and become needle-like or thorn-like to minimize water transpiration.

Are plants with smaller leaves more drought tolerant than plants with larger leaves?

My guess:

Plants with small leaves have less transpiration, making it easier to retain the water absorbed by the plant and more drought-tolerant.

What common characteristics do plants in the same environment have in their morphological structures that allow them to adapt to the environment?

My conclusion:

Example: The tropical rainforest has a hot climate and abundant rainfall, so the plant roots are large and long, and the leaves are dense. Like pines and cypresses.

What are the methods of soilless cultivation?

There are many methods of soilless cultivation. Currently, hydroponics, mist (air) cultivation, and substrate cultivation are commonly used in production.

Hydroponics means plant roots are in direct contact with nutrient solution.

Mist (qi) cultivation is also called Qi Zeng or mist cultivation. It compresses the nutrient solution into an aerosol and sprays it directly onto the root system of the crops.

Substrate cultivation is the most popular method among soilless cultivation. It fixes the roots of crops in an organic or inorganic matrix and supplies crop nutrient solution through drip irrigation or trickle irrigation in soilless cultivation.

greenhouse definition

Greenhouse is also called greenhouse in English. A facility that can transmit light, retain heat (or heat), and is used to cultivate plants. In seasons that are not suitable for plant growth, it can provide a growth period and increase yields. It is mostly used for the cultivation or seedling cultivation of warm-loving vegetables, flowers, forest trees and other plants in low-temperature seasons.

According to the growing season of the plant, it can provide a growth period and increase the yield. It is mostly used for the cultivation or seedling cultivation of warm-loving vegetables, flowers, forest trees and other plants in the low-temperature season. There are many types of greenhouses, which can be divided into many types according to different roof truss materials, lighting materials, shapes and heating conditions, such as glass greenhouses, plastic polycarbonate greenhouses; single-span greenhouses, multi-span greenhouses; single-roof greenhouses, double-roof greenhouses, etc. Roof greenhouse; heated greenhouse, unheated greenhouse, etc. The greenhouse structure should be sealed and insulated, but should be easily ventilated and cooled. Modern greenhouses are equipped with equipment to control temperature, humidity, light and other conditions. Computers are used to automatically control and create the best environmental conditions for plants.

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For more information about the "Biology and Environment Plants and Environment" PPT courseware, please click the "Biology and Environment ppt Plants and Environment ppt" tag.

"Plants and Environment" Biology and Environment PPT Courseware 2:

"Plants and Environment" Biology and Environment PPT Courseware 2 Learning Objectives of this Lesson 1. Take cactus and Monstera deliciosa as examples to understand the characteristics of drought-tolerant and shade-loving plants. 2. Understand the characteristics of deserts, mountains, grasslands, tropical rainforests, and pond plants, and be able to distinguish them. 3. Know...

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Update Time: 2024-10-03

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