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KiRa [710]
2 years ago
14

Which of the following would most likely be found in a wide valley

Biology
1 answer:
iris [78.8K]2 years ago
7 0

Answer:

Nothing

Explanation:

No options found and you asked us to pick from the following

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How many MYA was the mass extinction of dinosaurs, ammonoids, and many land plants?
ira [324]
The Cretaceous–Paleogene (K–Pg) extinction event (also known as the Cretaceous–Tertiary (K–T) extinction) was a sudden mass extinction of three-quarters of the plant and animal species on Earth, approximately 66 million years ago.
6 0
2 years ago
C) What does this cladogram tell you about the evolutionary relationship of the traits of jaws
schepotkina [342]

Answer:

In biology, a cladogram can be described as a diagram which shows evolutionary relationships among different organisms. A cladogram shows which organisms share evolutionary history and which organisms are more closely related to one another.

<em>The cladogram in the above picture shows that the limbs originated after the jaws. </em>

The cladogram shows that amoeba was a common ancestor to sponges, earthworms, salmon, lizards, kangroo and cats.

8 0
2 years ago
Few ways animals use air
GrogVix [38]

Answer:

they use to live

Explanation:

As they breath out carbon dioxide the plants take in the carbon dioxide and make air with it. Animals also use air to do their day to day things like eat.

7 0
2 years ago
Arrange the following in the proper order in which they occur during clonal selection. 1. Helper T cells are activated. 2. Macro
liubo4ka [24]

Answer:

1) Macrophages ingest antigen 2) Helper T cells are activated 3) B cells differentiate into plasma cells and memory cells.

Explanation:

Innate immunity and adaptive immunity provide protection against foreign invaders. Innate immunity is non specific and adaptive immunity is specific immune response; includes the production of antibody after a sequence of events.

  • When an antigen enters the body the phagocytic cells such as macrophages and dendritic cells ingest the antigen by a process called as phagocytosis. These cells act as antigen presenting cells and present it to T cells.
  • T cells are of two types T helper cells and T cytotoxic cell. T cytotoxic cells killed the affected cell such as affected by virus while T helper cells signal for the production antibodies.
  • Antibodies are produced from the plasma cells while memory cells act as record keeping. The plasma cells are stimulated by interleukins.

8 0
3 years ago
What does melosis ensure
s344n2d4d5 [400]

Answer:

it ensures the transmission of traits from one generation to the next.at thesame time,it is a key process that introduces genetic variation into the traits that offsprings inherent from their parents.

8 0
2 years ago
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