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viva [34]
3 years ago
10

10 What is a fossil?​

Biology
1 answer:
m_a_m_a [10]3 years ago
8 0

Answer:

Simple answer:

A fossil is any sort of remain from an animal, like bones, teeth, even the whole thing etc...  that has been preserved over time.

Hope this helps :)

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Circulatory system summary
inna [77]

Answer:

The circulatory system or vascular system is an organ system that helps in the transport of the blood from and to the heart. The blood transport also takes oxygen, nutrients, hormones, and other components from the heart to the various part of the brain with the help of the arteries and carry waste such as carbon dioxide to the heart in veins.

The oxygenated blood enters in the left atrium and moves to the left ventricle to the aorta and starts its journey to the body whereas deoxygenated blood enters in the right upper chamber or right atrium of the heart and pump to the right lower chamber and to the lungs to carry the oxygen again. This process is a continuous process.

6 0
3 years ago
Im confused please help me!
Harman [31]

Answer:

 The Geographic barrier would have led to speciation in the finches which started from the founder effect where the finches were brought to other areas of the Galapagos. They were separated geographically so they could not mate with each other. Over time, evolution occurs through natural selection and genetic drift. This leads to the population being so different so they have reproductive barriers and can no longer interbreed. They become different species.

Explanation:

Hope this helps you understand better.

5 0
2 years ago
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What releases enzymes to digest molecules outside of a cell
marta [7]

Answer: Lysosomes

Explanation:

The answer is Lysosomes

6 0
2 years ago
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Using a microscope, Quinlin notices a small green organelle inside a cell. Which of the following is most likely to occur first
jek_recluse [69]

Answer:

D.The light-dependent reactions absorb sunlight and transfer the energy to electrons.

Explanation:

Firstly, the organelle that was described as small green organelle inside a cell as noticed by Quinlin is the CHLOROPLAST. Chloroplast is an organelle present in the cells of green plants, in fact, it makes plants green. Chloroplast is the organelle where the unique process of PHOTOSYNTHESIS occurs in plant cells.

However, the photosynthetic process is divided into stages namely: light-dependent and light-independent stages. The light dependent stage, which involves the production of ATP (energy carrier) and NADPH (electron carrier), must PRECEDE the light independent stage or Calvin cycle. Chloroplast contains a pigment called CHLOROPHYLL, which absorbs light energy from the SUN in order to power the light dependent stage of photosynthesis.

Hence, the light-dependent reactions, which absorb sunlight and transfer the energy to electrons must occur first in the organelle.

6 0
3 years ago
T or F?????? a heat engine is a device that converts the heat that flows from a warmer object to a cooler object into work
liberstina [14]

Answer:

the answer is true your welcome

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2 years ago
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