During normal cell division, a parent cell having four chromosomes in G1 will produce two daughter cells, each containing ______.

Scientists have discovered that all living things can be traced to a single ancestor Which following statements best relates this discovery to the evolution things
A. All living things have life cycles that include birth and death.
B. All living things are made out of the same types of macromolecules.
C. Many organisms have gone extinct since life appeared on Earth.
D. Most organisms alive today are unlike organisms from the past.

The elephant reproduces
sexually. If the parent cells
have 38 chromosomes, how
many chromosomes do the
elephant sex cells have?

*EXTRA POINTS* what should be done with the two forces to find the net force? 29 N→⬛ 48N ← *

Which statement concerning the climax stage of an ecological succession is correct?
A) It is the first community to inhabit an area.
B) It consists entirely of plants.
C) It persists until the environment changes.
D) It changes rapidly.

Please help ASAP!!!

Un estudiante presenta una condicion especial llamada gigantismo su altura es mucho mayor que la de los compañeros de la misma edad y se descarta que la causa sea un problema heredero podemos suponer que este estudiante tiene insuficiente de la hormona esta hormona no ingresa a las celulas en su mecanismo de accion por se.

Many scientists are worried that the increased amount of carbon dioxide in Earth's atmosphere will _____

A. make it harder for animals to breathe

B. use up all our fossil fuels

c. cause Earth to warm up unnaturally

D. make green plants grow too fast

HELP ME
A) In what type of ecosystem do turtles lay their eggs?
B) some actions of the human being, such as the excessive construction of houses, shops and streets close to the beaches, harm the laying of turtle eggs. Establish a relationship between these actions and the location of the ecosystem where they lay eggs.

For anybody with this question
Here is your answer
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pls help i need answer asap! The digestive system is a group of organs working together to convert food into energy and basic nutrients that are transported throughout the body. Food passes through a long tube inside the body known as the alimentary canal, made up of the oral cavity, pharynx, esophagus, stomach, small intestines, and large intestines. Once food is chewed, the bolus is moved into the stomach for further digestion. Examine the Interconnections chart and select the body system that is responsible for moving the food from the start to the finish of the digestive system.
A) nervous system
B) muscular system
C) integumentary system
D) cardiovascular system

A student wants to study the effect of adding thermal energy to a system. Which of the following experiments should the student preform? Heat water and record it's change in temperature with time
Freeze water and record its change of temperature with time

Select the correct answer. Which of the following is true for balancing equations? A. The number of products should be equal to the number of reactants. B. The properties of products should be the same as the properties of reactants. C. There must be as equal number of compounds on both sides of the equation. D. There must be as equal number of atoms of each element on both sides of the equation.

Identify which of the following statements are true about plant and animal cells. Select all that apply.
a. Plant cells have chloroplasts.
b. Plant cells have one large vacuole, while animal cells have several smaller vacuoles.
c. Mitochondria can only be found in animal cells.
d. Cytoplasm can only be found in plant cells.
e. Plant cells have cell walls.

4)
In which case will a mutation change the phenotype of the organism?
A)
If the mutation codes for the same amino acid
B)
If the mutation codes for a different amino acid, but the protein shape does
not change
If the mutation codes for a premature stop codon
D)
If the mutation occurs in an intron

hi..................

An example of a genetic disorder that is caused by a sex-linked recessive
allele is

I like Payton my teacher of biology he is 17 what do I do and he lives far away and doesn't know that I exist

what ways do we use patterns of classification in science? give examples

An informational pamphlet in a health clinic describes an interaction between body systems.
5
An ovum moves from an ovary into the
uterine tube where its migration toward
the uterus is aided by the peristaltic
contractions of the smooth tissues of the
uterine tube's walls
6
7
Which statement identifies the body systems that are directly involved in the interaction
described and explains how they accomplish the interaction?
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A The nervous system produces hormones that stimulate the ovum, and the circulatory
system moves the ovum into the uterine tube.
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B The circulatory system supplies the uterine wall with oxygenated blood, and the
immune system prevents damage to the ovum. -
C The reproductive system produces the ovum, and the muscular system causes the
migration of the ovum by peristaltic contractions.
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D The excretory system expels the ovum from the ovary, and the nervous system causes
the contractions of the smooth tissues of the uterine wall.

how names and zodiacs affect who people are and how they look

Which of the following statements is FALSE.
A.
The brain, stomach, kidneys, and skin are some examples of organs.
o
B.
Organs that are similar in structure and function are usually joined together to form tissues.
C. Organs “cooperate" with one another and form specific organ systems.

what is one difference between ion channels and ion pumps​

Where is the cerebellum located in the brain?

- The situation in which atmospheric gases trap the sun's heat and keep Earth's
surface warm is called
a. weather.
c. climate.
b. greenhouse effect.
d. primary succession.

I will give you the brain thing if you help me this correct way

How many sqaure feet would I have left if I take away 30 to 40 feet from 100 by 150​

Y’all plz help I fell asleep and don’t remember

What happens when plates meet? (4 complete sentences minimum)

Where does fertilization take place?
A. ovary

B. style

WHAT IS The 2nd phase of mitosis