PLEASE I NEED HELP IN THIS!! THIS WORKSHEET HAS 50 QUESTIONS BUT I ONLY NEED HELP WITH THESE. DONT JUST TYPE IN A RANDOM ANSWER I NEED A 1-2 BRIEF EXPLANATION FOR EACH TO WHY THEY ARE CORRECT!!
(I NEED HELP WITH 21 QUESTION SECOND PART IS ON MY ACCOUNT)


1. All of the following are true about muscle tissue EXCEPT: *
a) Heart muscles are called cardiac muscles and are not voluntary.
b) Skeletal muscles are usually attached to bones and assist with voluntary movements.
c) There are no striations in smooth muscle which assist with involuntary movement.
d) When a muscles is relaxed, myosin and actin filaments are attached.

2. The development of the male reproductive system occurs in coordination with other human systems. Which of the following is an example of this coordination? *
a) The endocrine system releases the hormone testosterone.
b) The muscular system strengthens the uterine wall.
c) The circulatory system restricts blood flow to the testes.
d) The excretory system removes urea from the blood.

3. How does puberty affect the male and female reproductive systems? *
a) The male reproductive system develops into the female reproductive system during puberty.
b) The male reproductive system produces sperm, where as the female reproductive system produces eggs and nourish a developing embryo
c) The female reproductive system develops during puberty when the thyroid gland releases FSH and LH.
d) The female reproductive system stimulates cells within the ovaries to produce increased amounts of testosterone to start producing egg cells.

4. How does a feedback mechanism regulate the activity of the endocrine system? *
a) A feedback mechanism releases hormones in response to rising levels of other hormones to maintain homeostasis.
b) The endocrine system shuts off when the feedback mechanism shuts off.
c) A feedback mechanism regulates the endocrine system by strengthening the original stimulus.
d) A feedback mechanism changes the external environment to maintain homeostasis.

5. What is the role of neurons in the nervous system? *
a) Neurons heal damaged nerves.
b) Neurons transmit messages in the form of electrical impulses.
c) Neurons are involved in the autonomic nervous system, but not the somatic nervous system.
d) Neurons are the the sodium-potassium pumps involved in the nerve impulse.

6. Environmental management may include which of the following? (Check all the applicable boxes. There may be more than one answer). *
a) Public presentations
b) Field and lab research
c) Oversee projects related to the protection and conservation of natural ecosystems and human health.
d) Consult with businesses and government.

7. Which of the following is NOT an organ of the human male reproductive system? *
a) Testes
b) Vas deferans
c) Urethra
d) Nephron

8. Which of the following is NOT an organ of the human female reproductive system? *
a) Vagina
b) Urinary bladder
c) Ovaries
d) Fallopian tubes

9. Which is the correct order of development? *
a) gastrulation, egg, zygote, eight cell, blastula, morula
b) egg, zygote, morula, eight cell, blastula, gastrulation.
c) egg, zygote, eight cell, morula, blastula, gastrulation
d) zygote, blastula, egg, morula, eight cell, gastrulation

10. Biotechnology careers include all of the following EXCEPT: *
a) Microbiologist
b) Process development scientist
c) Health engineer scientist
d) Biomanufacturing specialist

11. The human brain contains different regions that control specific bodily functions. On a model, how could you identify the region of the brain that is responsible for voluntary activities of the body, intelligence, learning, and judgment? *
a) This region is the thalamus, between the brain stem and the cerebrum.
b) This region is the brain stem, connecting the brain to the spinal cord.
c) This region is the cerebellum, divided into left and right hemispheres.
d) This region is the cerebrum, the largest region in the brain.

12. Forensic science may prove the existence of a crime, the perpetrator of a crime, or a connection to a crime through all of the following EXCEPT: *
a) the testimony of a forensic scientist
b) an attorney's argument
c) administration of tests
d) examination of physical evidence

Answer:

1. D.

Explanation:

A, B, and C are correct

Myosin is attached to actin filaments when muscles are in motion, not relaxed.

Water pollution gizmo worksheet answer

Which statement is most likely to represent the way the society in the picture values the natural environment?

Inhibiting the enzyme acetylcholinesterase can lead to which of the following effects?

ASAP, WILL GIVE BRAINLIEST
Using technology, scientists are now able to use genetic information to classify new species. What is the likely impact of this advancement on the classification system?

The existing classification system may change to accommodate the new information.
The existing classification system will be replaced completely.
Organisms would be classified based only on their mode of nutrition.
Organisms would be classified based only on physical characteristics.

Approximately how long ago did our current era begin ? O A. 1 million years OB. 4.5 billion years C. 65 million yearsO O 100, 000 years

PLEASE HELP I WILL BE GIVING THE BRAINLIEST AND 15 POINTS!!!!!!!!
Sod or turf is grass with the top layer of soil held together by the grass roots. A sod farmer cuts strips of turf and rolls them up for delivery. The fresh sod is used in sports stadiums, golf courses, and lawns.
Back where the turf was removed is an empty expanse of bare dirt. Within a day, seeds from dandelions are dropped by the wind. There is plenty of sunlight and space for the new seeds. No other plants are around to compete. The new plants grow quickly in their habitat and produce many seeds.

Describe how natural selection affects the dandelions just after they arrive and as time passes.

Intense competition would most likely occur between?

two species that live in different forests but eat the same foods.
two species that live in different forests and eat different foods.
two species that live in the same forest but eat different foods.
two species that live in the same forest and eat the same foods.

The diagram shows the karyotype of a female with Patau syndromePatau syndrome is known as trisomy 13 and is caused by the presence of three copies of chromosome 13. Which term best describes the cause of Patau syndrome?

Which chromosome is involved in Prader Willi and Angelman Syndrome?

A) Chromosome # 46

B) Chromosome # 1

C) Chromosome # 15

D) Chromosome #23

The number of waves that pass through a fixed point per second is the (amplitude, frequency, wavelength)
of the wave. This value increases when the (amplitude, frequency, wavelength)
of the wave decreases

Match the arteries and veins to their functions.

What
was the main reason for this change in the classification system?
A Unlike the other single-celled organisms, bacteria lack DNA.
B. Unlike the other single-celled organisms, bacteria are eukaryotes
C. Unlike the other single colled organisms, bacteria reproduce only sexually,
D. Unlike the other single-celled organisms, bacteria lock a nucleus

Which is a
multicellular organism:
an atom, a molecule, a
cell, or a Komodo
dragon?

PLSSSSS MARKING BRAINLIST
Help check my work
Just tell me if it's right or wrong , if it's wrong can you pls tell me
(science)

Riddle time Good luck !
What Is Green that grows on the North side of The Rock But Does not talk

Bonus Add #EarthRules you can be Brainliest​

Question 12
Identify and select the the correct vocabulary that correctly describes DNA. Choose ONLY the correct answers, pick 3.

What is the physiological explanation for the negative effects of prolonged stress on health? Talk about stress hormones.
2. If your child believes in Santa Claus and you never tell them that he isn't real, why would they figure it out for themselves as they get older?
3. According to Piaget's theory of cognitive development what is "primary circular reaction?" Provide an example.
4. "My computer stopped working because it doesn't like me." "The sidewalk made me trip and scratch my knee." These statements illustrate how a young child thinks. According to the theory of cognitive development what is this an example of and why?
5. What are some reasons that a very bright child might not do well on an intelligence test (an IQ test)?
6. Explain the term "learning disability" in your own words.
7. The teacher refers a child to the psychologist because she continues to fail in all subjects. Before you begin to suspect a disability, what are the other factors that may affect the child's school performance?
8. Least restrictive environment, mainstreaming, inclusion: in special education what do these terms refer to? What are the advantages of mainstreaming a classified child?
9. Explain the difference between "functional death" and "brain death." How do these terms affect the decision to discontinue life support treatment?
10. What are some arguments against euthanasia?

Compare and contrast the different types of clouds

Help with this question

Help!
Which statement best describes the difference between photosynthesis and
cellular respiration?
A. Cellular respiration supplies energy to cells, but photosynthesis
does not
O B. Cellular respiration happens only at night, and photosynthesis
happens only in the daytime.
C. Photosynthesis occurs in chloroplasts, and cellular respiration
occurs in mitochondria.
D. Photosynthesis occurs in plant cells, but cellular respiration does
not.

The different functions of the skeletal system include all of the following EXCEPT: *
a) Forms blood cells
b) Protects internal organs
c) Stores hormones
d) Assists movement

Which type(s) of muscle can contract without stimulation from the nervous system? *
a) skeletal only
b) skeletal and smooth
c) smooth and cardiac
d) cardiac only

Which of the following are events following fertilization? (Check all that apply. There may be more than one answer). *
a) Embryo develops into the fetus
b) Zygote cell rapidly divides
c) Embryo embeds into uterine wall
d) Zygote travels down the fallopian tube toward the uterus

Drag each label to the correct location on the image
Arrange the symbols to form a DNA molecule.
5
3
5
3'

A group of similar cells that perform the same function is called a (an)
a. organ.
b. organ system.
c. tissue. d. tendon.​

a change in the sequence of an organism's DNA always changes the organism's traits?​

Which claim is supported by significant scientific research?

ASAP, WILL GIVE BRAINLIEST
Which level of organization in the classification system is directly above the phylum level?

Class
Domain
Kingdom
Order

A recessive allele is expressed if there is no dominant allele present.
A) True B) False

Pls help me it’s EMERGENCY.........Answer the question correctly.

why did the aliens come to earth
A. someone is trying to kill them
B. someone has accused them of murder
C. they wish to take over planet earth
D. they are ambassadors from their planet.​

Which best describes the animal that she is studying?
Alyssa listed some of the structures in an animal that she is
studying
O a mammal because it has a crop
a bird because it has a crop
O a bird because it has a four-chambered heart
a mammal because it has a four-chambered heart