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Anonymous users2024-01-24BD Question Analysis: APotted plants placed on the balcony, the branches and leaves often bend towards the light source to grow, which is the influence of abiotic factors on living things, which does not conform to the topic;
B.Butterflies collect nectar and spread pollen at the same time, so that plants bear fruits, which is the relationship between bees and plants, which belongs to the influence of biological factors on organisms, which is in line with the theme;
C.In early winter, geese migrate to the warm south, which is the influence of temperature on organisms, which belongs to the influence of abiotic factors on organisms, which does not conform to the topic;
D.Ants use their antennae to transmit signals to find food to other ants, which is an interspecific mutual support relationship between organisms, which belongs to the influence of biological factors on organisms, which is in line with the theme.
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Anonymous users2024-01-23A. Potted plants placed on the balcony, the branches and leaves are often bent to the light source to grow, which is the influence of abiotic factors sunlight on organisms, so it does not meet the topic
B. Butterflies collect nectar and spread pollen at the same time, so that plants bear fruits, which is the influence of animals and big fish plants, so it is in line with the theme
C. In winter, swallows always fly to the south to overwinter, which is a long-distance round-trip migration between breeding areas and wintering areas in a regular, relatively fixed route and regularly in spring and autumn with the periodic changes of the sun
D. Ants use their antennae to transmit signals to find food to other ants, which belongs to the communication between animals, so it does not conform to the topic
Therefore, B
Bolt. Standard parts refer to the structure, size, drawing method, marking and other aspects have been completely standardized, and are produced by professional factories commonly used parts (parts), such as threaded parts, keys, pins, rolling bearings, etc. In a broad sense, it includes standardized fasteners, couplings, transmission parts, seals, hydraulic components, pneumatic components, bearings, springs and other mechanical parts. >>>More
The leakage of the toilet of the house, and the leakage of the house within five years (shelf life) of the sale of the house is the responsibility of the developer. After the expiration date, the leakage will be repaired by the residents. Or upstairs and downstairs to negotiate joint repairs. In the event of a water leak and the loss caused by the downstairs, the two parties shall negotiate to solve the problem.
It is the responsibility of the owner of the real estate right of the seepage balcony. >>>More
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