Yo can someone answer these please its for class work thanks JUST NUMBER 4 I will mark brainliest

¿la sangre que sale del corazon y va hacia los pulmones tendra mayor proporcion de o2 o de co2?

b) Fungi and bacteria are microorganisms that are important to the
economy of the country. Food and agriculture industries depend a
lot on both these organisms. Discuss how these organisms can
help to improve the economy of the country now.

The nervous system works closely with which of the following organ
systems to control Ihe body, coordinate responses, and perform life functions?

A circulatory system
B muscular system
C Endocrine system
D all of the above

There are _____ organisms at each level as you move up an energy pyramid.

Only _____ energy is available to the next level in a food chain.

A food web is more _____ than a food chain.

The vesicles involved in endo/exocytosis are surrounded by a phospholipid membrane.
A. True

B. False

What is the purpose of meiosis?

One of your team members suggested harvesting crops to supply food resources for the future Martians. Would this be a feasible suggestion? What factors need to be considered in order to have a thriving agricultural life on the red planet?

3. The image is a model of a

PLEASE ANSWER ALL

question 3

Predation (hunting) is a positive benefit to the population of prey organisms because it tends to keep:

A. population low
B. Population high
___________________

question 4
An animal that eats only plants is a:

A. primary consumer
B. secondary consumer
C. tertiary consumer
D. primary consumer
____________________

question 5
An example of a producer is:

A. fungus
B. caterpillar
C. bird
D. water lily
_____________________

question 6
Which of the following is an example of an ecosystem?:

A. air, water, grass, mouse, and badgers
B. air, water, sunlight, soil
C. hawks, mouse, badgers, and eagles
D. grass, trees, bushes, and flowers
____________________

question 7
All the following are examples of limiting factors for a population EXCEPT:

A. space
B. food
C. time
D. weather
______________________

question 8
An example of a biotic resource in a forest ecosystem is:

A. waterfall
B. tree
C. cliff
D. rock
_____________________

question 9
The source of energy for almost all life on earth is:

A. sunlight
B. fungi
C. water
D. animals
______________________

question 10
In an energy pyramid , the lowest level has:

A. less energy than the top level
B. less energy than the second level
C. more energy than the top level
D. the same amount of energy is available to a consumer

Write the balanced equation for the reaction between potassium nitrate and sodium below.

help pls due soon thanks :)

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One word for an environment and the organisms living there is biome, so we call the bacteria living in and on the human body "the human _____.”

A) microecosystem

B) microbiome

C) ecosystem

D) community

What is most likely to happen if an individual restricts consumption of dietary fat to very low levels?

A.
development of scurvy
B.
development of atherosclerosis
C.
loss of insulation around vital organs
D.
loss of hemoglobin from red blood cells

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What are cell jobs? I need it for classes. I'm also genuinely curious!

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Biodiversity describes the variety of ________ on our planet.

A scientist is studying gene expression in a prokaryote. Which of the following organisms could the scientist be
studying?
A.
B.
Bacillus subtilis, a bacterium
Leucobryum glaucum, a moss
Lycoperdon pyriforme, a fungus
Caenorhabditis elegans, a roundworm
c.
D.

Discuss the primary advantage of sexual reproduciton over asexual reproduction

Your answer:

Which terrestrial planet is cold, has a small atmosphere, and is known for having violent storms for weeks?

56 How far was the shooter from the target if there is a powder
tattoo (sooting or fouling) around the wound?
A contact
B 2-12 inches
C 1-3 ft
D more than 3 feet

The central nervous system (CNS) contains a number of components that perform specific functions within the body.
Some functions, such as breathing, swallowing, and blood circulation, are involuntary, or done without conscious
control. Which part of the CNS is responsible for these functions?

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what animal is the descendant of Gilmoreosaurus

2. If the perimeter of a triangle is 31 ft and two of the side lengths are 15 ft and 10 ft, what is the length of the third side?

can someone help me please

Why might the expression of a transgene be especially abnormal in vertebrates with larger average size of genes and amount of heterochromatin in their genomes?

Immunological memory accounts for: Group of answer choices the observation that some strains of the pathogen that causes dengue fever cause more severe disease than others the ancient observation that someone who had recovered from the plague could safely care for those newly diseased the human body's ability to distinguish self from non-self the ability of a helper T cell to signal B cells via cytokines

The Pedigree below tracks colorblindness through a family.
What does a circle represent?
O Female
O Carrier
Child
O Male

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Suggest two reasons why more of our fish are supplied by fish farming rather than from traditional
fishing