Answer:
Zero
Explanation:
Have a look at the diagram below
TT represent tall Pea plant, Tt the hybrid and tt short pea plant.
Answer:d
Explanation:nematodes are round worms.they live in sea ,land or freshwater habitat.they have an hydrostatic skeleton for movement. They possess a flexible and non-cellular cuticle.They are known for shedding their cuticle. This process is necessary for their growth.an example of nematode is the hookworm.
Arthropods are the most diverse phylum in the animal kingdom.they have jointed appendages and an exoskeleton containing chitin.they may be segmented into head and truck, head, thorax and abdomen or cephalothorax and abdomen.they tend to shed of their exodkeleton during the process of metamorphosis . examples of arthropods include ticks, cockroaches
The last common ancestor of gymnosperms and angiosperms possessed the same characters such as pollen, seeds, and vascular tissue.
<h3>What are angiosperms and gymnosperms?</h3>
The gymnosperms are a group of plant that are known as seed- producing plants such as Ginkgo, gnetophytes, cycads etc.
Angiosperms are the plant that produces flowers and having seeds enclosed within their fruit.
Gymnosperms have no production of flowers and fruits and they contain seeds without cover on the surface of their leaves.
Therefore,last common ancestor of gymnosperms and angiosperms possessed the same characters such as pollen, seeds, and vascular tissue.
Learn more about angiosperm and gymnosperm here:
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Answer:
1: Population; 2: Biome;3: Ecosystem
Explanation:
Population refers to the number of people in a state. Biome is a large area characterised by it's vegetation, soil,climate, and wildlife. Ecosystem is a geographic area where plants, animals and other organisms exists