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lubasha [3.4K]
3 years ago
8

Field mustard is an annual plant that grows wild in many regions of the world. It has small yellow flowers and is pollinated by

insects. Field mustard has to flower and produce seeds to give rise to the next generation. Southern California experienced a severe drought between 2000 and 2004. Plants that flowered earlier reproduced. Those that flowered later died without producing seeds. This led to more early-flowering field mustard plants. This change in population characteristics took only a few generations.
How do you think scientists discovered that the flowering time of the field mustard had changed?
Biology
1 answer:
Artyom0805 [142]3 years ago
6 0

Answer:

Due to early flowering in the mustard plant.

Explanation:

The scientists discovered that the flowering time of the field mustard had changed by observing more mustard plants which produces earlier flowers. The behaviour of the mustard plant change due to the change that occur in the environmental conditions that leads to early flowering in mustard plant. If this early flowering occurs for more generation, then the mustard plant will adopt this type of behaviour in normal environmental conditions that experience by the mustard plant.

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What are the images that occur when a visual sensation persists for a brief time even after the original stimulus are removed?
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Answer:

afterimage

Explanation:

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Epidemiology is defined as the study of1. Epidemiology 2. where a disease occurs. 3. how a disease is transmitted. 4. when a dis
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4 0
3 years ago
A cell with 80 chromosomes undergoes meiosis. How many chromosomes are found in the daughter cells? How many daughter cells are
qwelly [4]

Answer:

Four daughter cells are produced each with 40 chromosomes. The daughter cells would exhibit genetic variations and would not be genetically identical to each other.

Explanation:

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Since there is no DNA replication between meiosis I and meiosis II, the daughter cells have half the number of the chromosomes compared to the parent cell. This occurs as homologous chromosomes move towards the opposite pole during anaphase I.

Therefore, a parent cell with 80 chromosomes will make a total of 4 daughter cells by meiosis. Each daughter cell would have 40 chromosomes. These daughter cells would have some new gene combinations and would be genetically dissimilar among themselves.  

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