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mojhsa [17]
3 years ago
5

Which characteristic does not belong to the bird class?

Biology
1 answer:
zlopas [31]3 years ago
6 0

Answer:

bones are packed solid but am not that sure

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When a coelom is formed by introducing a gap surrounded by mesodermal cells at the base of the blastula, between the ectoderm an
mariarad [96]
Schizocoelic development

The coelom is a fluid-filled body cavity, where the internal organs are suspended in. It is the cavity between the wall of the body and the digestive tract.

In the schizocoelic development of the embryo, the coelom, called the schizocoel, develops as a split in the mesoderm. The outer layer of the mesoderm attaches with the ectoderm to form a body's musculature, while the inner layer attaches with the endoderm to form the wall of the digestive tract. 

This type of development is commonly found in annelids, arthropods, and mollusks. 

3 0
3 years ago
In a swamp a bird and a turtle feed on the same kind of fish. This will most likely result in
Maslowich

In a swamp a bird and a turtle feed on the same kind of fish. This will most likely result in Competition is an relations between organisms or species in which both need a resource that is in limited pool.

<h3>What is competition in an ecosystem?</h3>

Competition will happen between organisms in an ecosystem when their niches overlay , they both try to utilize the exact resource and the resource is in lack of supply.

Fuana contend for chow, water and area to live. flora contend for light, water, minerals and root area.

So,Competition is an relations between organisms or species in which both need a resource that is in limited pool.

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7 0
1 year ago
What is a biological example of Juxtacrine Signaling?
kodGreya [7K]

Answer:

An example of juxtacrine signaling is exemplified by the activity of some cell adhesion or ECM proteins, such as laminin, that do not just allow a cell to move over them, but act as signals to promote increased motility

plz help me with my  question too plz

Explanation:

5 0
2 years ago
A country was experiencing high birth rates because of widespread illiteracy. At the same time an epidemic broke out in this cou
Setler [38]

Answer:

B. urbanization

Explanation:

In urbanizing stage, death rate quickly declined because of the improvements in agricultural aspect which goes down to food supplies, health care delivery, medicine improvements, and even  the investments in sanitation and infrastructure which contributes to the increasing life expectancy of the people and lesser diseases which cause deaths.  Though birth rates remain almost the same, but young population continues to grow because of the low death rate.

5 0
3 years ago
Which of these is NOT one of the structures considered to be the immune system's first line of defense?
Romashka-Z-Leto [24]

The B cells are not considered as first line defense structures of the immune’s system

Answer: Option C

<u>Explanation:</u>

Our body is protected internally by nature by many layers of defense. Any microbe or a foreign material that disturbs the body is defended by these barriers.

The first layer of defense required physical and chemical barrier such as the skin, mucous membrane, tears, saliva etc . The second line defense system involves the cells and the tissues that protect the body.

6 0
3 years ago
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