Answer:
80%
Explanation:
Pollination is the act of transferring pollen grains from the male anther of a flower to the female stigma. The goal of every living organism, including plants, is to create offspring for the next generation. Seeds can only be produced when pollen is transferred between flowers of the same species.
Honeybees pollinate 80 percent of U.S grown crops—products valued at more than $14 billion. Crops that benefit from honeybee pollination include fruits, nuts, vegetables, cotton and other small grains. They also include cover crops, which farmers plant between commercial crops to prevent nutrient runoff and soil erosion and boost soil nutrients.
It’s estimated that there are about 2.4 million honeybee colonies in the U.S. today.
In a single day, one honeybee makes 12 or more trips from its hive, visiting several thousand flowers at a time. On each trip, it confines its visit to one plant species, collecting one kind of pollen. This enables the colony to find and collect food with maximum efficiency, which makes honeybees the most valuable pollinators.
The actions me and my family take to help reduce levels of greenhouse gases include; Reduce, Reuse, Recycle, Buying products with minimal packaging will help to reduce waste,Use Less Heat and Air Conditioning, Replace the Light Bulbs, Drive Less and Drive Smart, Buy Energy-Efficient Products, Use Less Hot Water, Use the "Off" Switch, Plant trees.
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The four stages of NREM sleep are each associated with distinct brain activity and physiology, Loss of muscle tone and reflexes likely serves an important function.
Answer:
B. The complement receptor
Explanation:
The complement system (part of the innate immune system) uses receptors called the complement receptor that binds to proteins of the complement system to detect foreign bodies without intervention of antibodies
Answer:
Tertiary consumer,secondary consumer, primary consumer, producers
Explanation:
produces : Plants which make their own food and are called producers.
primary consumer: Herbivores eat plants and are called primary consumers.
secondary consumer: Carnivores that eat herbivores are called secondary consumers .
tertiary consumer: Carnivores that eat other carnivores are called tertiary consumers