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lina2011 [118]
3 years ago
6

When did the Silurian period occur?

Biology
1 answer:
Ad libitum [116K]3 years ago
4 0
I believe the correct answer is A) Silurian period occurred before the Neogene era, because the other answer are wrong.
Hadean eon ended before Silurian period.
Mesozoic and Permian era were after Silurian period.
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How do we link monomers to make polymers
dimaraw [331]
It is made by the removal of two hydrogen atoms and one oxygen atom to formwater.
6 0
3 years ago
Darwin’s influence on modern scientific inquiry is largely (i)_______ ; yet while Darwin’s ideas inform fields as disparate as g
Phoenix [80]

Answer:

The answer is C) un-contested, appropriating

Explanation:

Although Darwinian ideas are purely biological and scientific, they have aided theoretical research in other sciences as well, psychology, in particular. The theory of evolution does not only explain the evolution of the human body, but also that of the brain. The brain's psychological mechanisms and the behaviors they produce can largely be understood through Darwin's theories; the theories of natural and sexual selection have directed much of psychological research.

In general, scientists accept Darwin's theories but in specific fields, such as social psychology and neuroscience, scientists have formulated surprising explanations using Darwinian ideas.

6 0
3 years ago
Question about nitrogen and phosphorous cycle? Which statements are true, list all that apply
vaieri [72.5K]

Answer: 1) When phosphorous is not bound in rocks, it moves quickly through land food webs. Constant use of phosphate-rich fertilizers will help increase phosphorus availability to plants, thus ultimately helping our ecosystems.

3) Minimizing the use of ammonia-rich fertilizers on lawns would not add excess nitrogen to the nitrogen cycle. As a result, it would help decrease the pollution of food webs in the oceans, decrease soil acidity on land, and decrease the amount of greenhouse gases in the atmosphere

Explanation:

The nitrogen and phosphorus cycles both are biochemical cycles. The nitrogen cycle involves the process of uptake of nitrogen from the atmosphere by the soil bacteria which is then become available to the plants for plant growth, from plants it is transferred to the other organisms in different forms.

The phosphorus is found in the rocks and these rocks wither and the inorganic phosphorus become available to the ecosystems.

Option 1 is correct, this is because the phosphorus is available on earth in the inorganic form inside the rocks, the withering and erosion processes make the phosphorus available to the plants. Another source of phosphorus to plants is phosphorus rich fertilizers. Thus plants will absorb phosphorus and grow. These plants will be consumed by other organisms thus the ecosystem will remain healthy.

Option 3 is correct, this is because nitrogen rich fertilizers can cause eutrophication in water bodies, or can contaminate the water. It will decrease the pH of the soil due to the formation of nitric acid. Also the nitrogen dioxide is the greenhouse gas.

 

4 0
3 years ago
Fats supply energy, cushion vital organs and protect them from injury, add flavor to food and move through the _______ system sl
Mademuasel [1]

Answer: Digestive system

Explanation:

Fat carries out many functions in the body of organisms. They are great source of energy especially when less amount of glucose is present in the body. They act as pads to many structures in the body.

Their roles in adding flavor to food is highly emphasized and their vehicular role in moving food in the gut have helped greatly in acquisition of nutrients by organisms

6 0
3 years ago
1. Lynn is a 2-year-old girl. Her mom and she like to play a game where her mom pretends to
Stolb23 [73]

Answer:

Conditioned response.

Explanation:

Lynn was conditioned to kick her legs as a response to whatever happens after her mom grabs the monkey.

7 0
3 years ago
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