SECONG PART TO THE WORKSHEET HERE!!!!!


13. 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

14. 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

15. Which division of the nervous system speeds up your heart rate? *
a) somatic
b) autonomic
c) central
d) brain and spinal cord

16. True or false. The pregnancy timeline begins on the first day of a women's menstrual cycle. *
a) True
b) False

17. 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

18. Human development occurs in a series of stages, or processes. Which of the following best describes the key events that occur during gastrulation? *
a) The blastocyst attaches to the wall of the uterus and cells begin differentiating.
b) Cells migrate from the ectoderm to form the mesoderm; resulting resulting in the formation of three cell layers.
c) A sperm and egg fuse producing a fertilized egg.
d) Mesodermal tissue differentiates into the notochord and the nervous system develops.

19. How do endocrine glands send messages to other organs? (Select the best answer.) *
a) They release impulses that travel in the blood
b) They release hormones that travel in the blood
c) They release insulin that travels in the blood
d) They release action potentials that travel in the blood

20. All of the following are true about the integumentary system EXCEPT: *
a) It forms vitamin E
b) It is a barrier against infection and injury
c) It removes wastes
d) It gathers information and regulates body temperature

21. The brain forms in which stage / trimester? *
a) Blastula stage
b) Trimester 1
c) Trimester 2
d) Trimester 3

Answer:

15. C

16. C

17. B

18. ?

19.B

20.A

21.B

Hope this helps, sorry I didn't know 18.

Answer:

13) C

14) C

15) B

16) False

17) B, and D

18) B

19) B

20) A

21) B

Explanation:

I studied this in High School. Hope it helps :)

1. What do you call metamorphic rock formed from igneous rock?
2. What do you call metamorphic rock formed from sedimentary rock?

which substance is a reactant in photosynthesis

i need some help plz​

This was simulation. What are some variables that this peppered moths simulation does not address?

Although both organisms have an exoskeleton, the covering of a arthropod is made of different
materials than the covering of a(n) ________.

HELP PLS!!!!!!!!!!!!

A good environmental decision _____.


has no ecological costs


discounts the environmental costs


should have more benefits than costs


has only environmental benefits

ILL GIVE 40 POINTS TO WHOME OVER IS RIGHT





HELPPPPPPPPPPPPPP MEEEEEEEEEEEEEEEEEEEEEEE

What are the sources of coastal pollution?

1. One of the central themes in biology is how DNA, RNA, and proteins are related. Describe how genetic
information is passed among those types of molecules. Include the results of the processes of
transcription and translation

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

individuals joining a population is an example of

Recombinant DNA technology is possible because all organisms
O A. rely on ribosomes to assemble proteins
B. have some of the same genes
C. use the same codes for amino acids
D. replicate DNA before cell division

Which of the following statements are not true of carbohydrates?

A. Triglycerides are the most common type.
B. Monosacharrides, disacharrides, and polysacharrides are the most common types.
C. They are the most readily available source of energy for organisms.
D. Certain carbohydrates are enzymes or catalysts.

A skateboard manufacturing company has had problems with the wheels on its skateboards cracking and causing injuries. An engineer for the company knows of a material that he thinks will make the skateboards safer. What would be the best step for the engineer to take next?
He should publish a report about the innovation and its impact on public safety.
He should conduct tests using computer models to determine the safety impact.
He should immediately begin producing all skateboards with the new material.
He should convert production of half of the skateboards to use the new material.

Question 6 (1 point) ✓ Saved
Having 1 leader CAN help to get through a task and reduce arguing
True
False​

Cuticular scale patterns in human head hairs tend to be very regular.
Group of answer choices

True

False

The membrane that lines the thoracic cavity walls is the

Which of the following groups of parrots is most likely in Hardy-Weinberg equilibrium?
A. A group with 50 DD parrots, 30 Dd parrots, and 20 dd parrots.
B. A group with 30 DD parrots, 40 Dd parrots, and 30 dd parrots.
C. A group with 25 DD parrots, 50 Dd parrots, and 25 dd parrots.
D. A group with 50 DD parrots, 25 Dd parrots, and 25 dd parrots.

Carbon is stored in


A.Trees and other living things

B.Oceans

C.Underground in soil and fossil fuels

D.All are correct

Comparing the skeletons of which of the following fish would
best show the evolution of a fish species?
a male fish and a female fish that could produce offspring
the same fish just before it received a cut and after it healed
a fish that lived recently and a fish that lived a long time ago
the same fish just after it hatched and when it was full-grown

Science Work, Help Please!

2. C. A selectively permeable
membrane separates solutions A and B. The
concentration of water molecules in Solution
B is higher than that in Solution A. Describe
how the water molecules will move.

3. A. How is active
transport different from passive transport?

3. B. What are transport proteins?

3. C. Explain why transport proteins
require energy to function in active
transport.

Why does the northern hemisphere experience Spring in March, while the Southern Hemisphere experiences fall?

If your phenotype is free earlobes and free earlobes is dominant what is your genotype

Example of how organisms that were previously thought of as related are actually more genetically related to organisms outside their species?

HELP ASAP!!!!

Describe a habitat in ur community that would support non vascular plant!!!!

need help with this​

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

Which genotype represents a female carrier?


XHXh


XHY


XHXH

Pronghorn antelopes are hoofed animals that eat grasses and live in large herds in the prairie
biome. In which one of these other biomes would an animal with similar adaptations live: taiga,
desert, savanna, or deciduous forest? Explain your answer.​

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

A species is endangered if it_____
no longer exists anywhere on earth
is in danger of becoming extinct
is not native the environment
has high genetic diversity