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vfiekz [6]
3 years ago
9

What did the invention of agriculture do for early people?

Biology
1 answer:
ruslelena [56]3 years ago
6 0
Farming meant that people did not need to travel to find food.( nomadic lifestyles became scarce) Instead, they began to live in settled communities,or villages and grew crops or raised animals on nearby land. They built stronger, more permanent homes and surrounded their settlements with walls to protect themselves.
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The four major functions of hormones are _____.
Zielflug [23.3K]

The correct answers are -

b) Homeostasis

c) Immunity

e) reproduction

f) growth and development

Reason -

The endocrine system (produces and secretes hormones) is a vital system as it regulates the homeostasis by regulating the cell activity in the body. The endocrine system releases relevant hormones during specific time period in the blood which are then  transported across the blood , this not only maintains the chemical physical balance in our body but also regulate the vital functions of body such as growth, reproduction, and immunity  

4 0
3 years ago
How does the alternative complement pathway kill the invading microbial cell?
Gnesinka [82]

<u>Answer:</u>

The alternative complement pathway kill the invading microbial cell by enhancing the phagocytosis of microbes by host cells.

Option: (C)

<u>Explanation:</u>

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  • It has tree types namely 'classical, alternative and lectin pathway'.
  • In alternative complement pathway complex \mathrm{C}_{3} protein complex kills the microbes in two ways,
  1. It attaches to the cell wall of the bacteria and kills by lysis
  2. Stimulates the formation of "Membrane Attack Complex(MAC)" which causes lysis of the bacteria.

6 0
3 years ago
In the scientific method: Select one: a. Hypotheses to be tested are formulated after collecting the data. b. Publication is an
katovenus [111]

In the scientific method, the self-correcting nature of science usually means that mistakes or even deceptions do not last long.

Scientific Method

The scientific method is the process chosen by scientists and researchers to investigate or verify a  phenomenon.  It involves various steps such as making an observation, asking the question, forming the hypothesis, collecting the data, testing the hypothesis, and deriving the conclusion.

Science is always self-correcting as every piece of information is scrutinized over and over again. Often disproving existing information with appropriate evidence is considered a prestigious and high achievement. This is unlike politics, religion, etc where such a person might get prosecuted. It is often regarded as the aim of science is not to proclaim a piece of information as absolute truth but to keep improving a piece of existing information.

Learn more about the scientific method here:

brainly.com/question/7508826

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6 0
2 years ago
The process of animals relocating to different environments in response to seasonal changes is called:
Andru [333]

Explanation:

Many birds, such as geese, seasonally fly to warm places when the weather gets cold. They then return when the weather warms. This process is called migration. ... Migration enables many animals to move to places where it is easier for them to survive.

8 0
3 years ago
The proteins that help defend the body against bacteria, toxins, and allergens are called
Arte-miy333 [17]
The proteins that help defend the body against bacteria, toxins, and allergens are called antibodies. The antibody<span> (Ab) protein is also known as an immunoglobulin (Ig).
</span>These<span> large Y-shaped proteins are</span><span> produced by the immune system in order to prevent the body in response to the presence of a foreign substance. The foreign substance is called antigen.
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6 0
3 years ago
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