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gtnhenbr [62]
2 years ago
8

What is a keystone species? Why are keystone species important? Give and example.

Biology
1 answer:
harkovskaia [24]2 years ago
3 0

Answer:Key stone

Explanation:

Keystone species hold together the complex web of relationships in an ecosystem. They can be animals, plants or microorganisms. Examples of keystone species include starfish, sea otters, wolves and elephants.

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Why are marriages between blood relatives prohibited in the united states and other countries?
HACTEHA [7]
Marriages or any form of sexual relations between blood relatives is incest and is completely prohibited in the United States and most other countries of the world.

There are two reasons for this:

1. Religious: Most major world religions prohibit marriages between blood relatives. In countries where church and other religious institutions had a strong following, incest remains a crime.

2. Biological: Medical Science has proven that off-springs of close relatives e.g. brother-sister, first cousins and even second cousins have a high chance of genetic mutation which can lead to various health issues. This is the main reason why modern societies prohibit incest


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Green and brown algae share many common features. Both have pigments for trapping sunlight and use photosynthesis for energy. Bo
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What is a natural depression filled with standing freshwater called please help
nydimaria [60]

Answer:

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7 0
2 years ago
What is the study of fish known as in biology?​
klio [65]

Answer:

The study of fish is called Ichthyology.

Explanation:

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Ichthyology is the field of study that deals with fishes. Taxonomy (classification and the description of new species) and biogeography are the two main areas of focus for museum ichthyologists (patterns of distribution). Large reference collections of preserved specimens are kept in museums as a permanent resource for present-day researchers as well as for future ones.

See the attachment for a visual.

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What happens after 1 cycle of the Calvin cycle
Shkiper50 [21]

Answer:

The Calvin cycle has four main steps: carbon fixation, reduction phase, carbohydrate formation, and regeneration phase. Energy to fuel chemical reactions in this sugar-generating process is provided by ATP and NADPH, chemical compounds which contain the energy plants have captured from sunlight.

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