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bonufazy [111]
3 years ago
11

The bones in the front limbs of many mammals are similar in their structure and arrangement. What term is used to describe physi

cal similarities between related species that indicates a common ancestry?
A) vestigial organs
B) convergent anatomy
C) embryonic parallels
D) homologous structures
Biology
1 answer:
Serggg [28]3 years ago
3 0

The correct answer is; D

Homologous structures is the term used to describe physical similarities between related species that indicates a common ancestry.

Homologous structures are structures that have the same form or functions in different animals, indicating that the animals have evolved from a common ancestor. Homologous structures usually appear very similar in form but it may or may not have the same function in the different animals that are suggested to be related. The bones in the front limbs of many different mammals (such as humans, deer and bats) which are similar in their structure and arrangement are homologous structures.

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The following table describes some biotechnological processes.
baherus [9]

Answer:

c . Process 1 describes cloning and process 2 describes artificial selection.

Explanation:

Process 1 describes cloning because offspring is produced that are similar to its parent and we know that in cloning, the offspring is identical to their parents while on the other hand, process 2 describes artificial selection because crossing between a high-yielding fruit variety with a high-vitamin variety is done which is only possible through the intervention of humans.

8 0
3 years ago
When --- equals the force of gravity on a falling object, the object reaches terminal velocity.
alukav5142 [94]
Hey Bonny959!

Terminal Velocity is reached when the drag force and buoyancy equal the force of gravity on a falling object!

Hope this helps!
7 0
3 years ago
How do microorganisms affect the quality of soil?
insens350 [35]
The microorganisms found in soil are important because they affect the structure and fertility of soil. Certain bacteria responsible for nitrogen fixation converts nitrogen in the atmosphere, so that it can be used by plants. Because of microbes, nutrients and minerals are made available to plants. Soil with more diverse microbe will result in fewer plant diseases and better crop yield.
3 0
3 years ago
Natural selection can be compared with the process of passing a gravel-mix through a sorting machine, and getting separate piles
Aleonysh [2.5K]

Answer:

The correct answer is option c, that is, variation.

Explanation:

In the given case, the gravel mix is to be selected on the basis of the size of pebbles, which is analogous to the organism selected in nature. In the given question, the sorting machine is analogous to the environment, that is, a selective force.  

Like a specific environment permits the organisms exhibiting specific traits. For example, in a desert where the environment is hot and dry, only the species exhibiting the tendency to conserve water can thrive, similarly sorting machine will permit to distinguish gravel on the basis of the pebble size. Thus, different size of pebble resembles variation.  

8 0
3 years ago
Extinction is the total loss of a species. How might changes in Habitat result in extinction?
ziro4ka [17]
ANSWER:

When a habitat is destroyed, the carrying capacity for indigenous plants, animals, and other organisms is reduced so that populations decline, sometimes up to the level of extinction. Habitat loss is perhaps the greatest threat to organisms and biodiversity.
6 0
2 years ago
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