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choli [55]
3 years ago
11

If an object sinks in a fluid, the buoyant force is ____ the weight of the object.

Biology
1 answer:
Zinaida [17]3 years ago
5 0
Answer:

greater than
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Explain mutations and how they can cause genetic disease
nadya68 [22]
Answer:

A mutation is a change in a DNA sequence. Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals
called mutagens, or infection by viruses. Germ line mutations occur in the eggs and sperm and can be passed on to offspring, while somatic mutations occur in body cells and are not passed on.

Mutation has been the source of many Hollywood movies, but it's really a simple process of a mistake made in a DNA sequence as it's being copied. Some of that's just the background noise that DNA copying is not perfect, and we should be glad of that or evolution couldn't operate. But mutation can also be induced by things like radiation or carcinogens in a way that can increase the risk of cancers or birth defects. But it's pretty simple; it's basically an induced misspelling of the DNA sequence.
That's a mutation.


When a variant alters a protein that plays a critical role in the body, it can disrupt normal development or cause a health condition. A condition caused by variants in one or more genes is called a genetic disorder. In some cases, gene variants are so severe that they prevent an embryo from surviving until birth.

5 0
3 years ago
Which ecosystem has the highest density of living things?
vlabodo [156]

Answer:

The Amazon Rainforest

Explanation:

4 0
3 years ago
Read 2 more answers
What are the roles of producers consumers and decomposers in an ecosystem
mariarad [96]

Answer: The producers refers to green plants that carry out the process of photosynthesis in order to produce food for themselves and others. The principal function of producers is to manufacture food for themselves and all other living organisms.

The consumers refers to those living organisms that can not produce their own food and have to depend on the food produce by others. Consumers can be categorized into primary, secondary and tertiary consumers depending on where they are located on the trophic levels. They can also be classified as herbivores, carnivores and omnivores depending on the type of food they eat. The major function of consumers is transference of energy. Consumers transfer the energy they obtain from the food they eat to those animals that feed on them.

The decomposers are those micro organisms that are majorly found in soils.The principal function of decomposers is to break down dead organic matters so that they can be absorbed by the roots of plants. The broken down organic substances serve as nutrients, which the plants used to grow and develop.

These three types of organisms work together in the ecosystem to maintain the balance of the ecosystem.  

3 0
3 years ago
The exquisite complexity of traits such as the vertebrate eye seems to pose a problem for evolution by natural selection. How do
Dafna1 [17]

Answer:

The correct answer would be - complex eyes evolved in the gradual steps, each of which was fully functional and adaptive in improving visual acuity.

Explanation:

The natural selection of the complex traits such as the vertebrate eye (complex eye) are seems to be problematic, many biologist think that the complex eyes evolution is take place in gradual steps and each step of this evolution was adaptive and functional in improving the visual acuity.

The steps that were involved are like light sensitivity patch, a deepening hole or pit that help in sharp vision and many other random evolution steps.

Thus, the correct answer is- complex eyes evolved in the gradual steps, each step of this evolution was fully functional and adaptive that helps in improving visual acuity.

4 0
3 years ago
Robert Paine studied sea stars in the intertidal zone along the northern Pacific coast. When he removed sea stars from a study a
Sergeu [11.5K]
<h2>Sea star  </h2>

Explanation:

In the given example sea star played the role of keystone species

  • Robert Paine actually coined the term keystone species to describe the effect that the sea stars had on biodiversity in this community
  • Keystone species are those species which are least abundant but play a governing role to decide the structure and function of community
  • Loss of keystone species in a community can lead to disturbance in structure and function of a community and it cannot be recovered by other species  

7 0
3 years ago
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