A biological process is represented in the diagram below. Which of the following concepts does the diagram best illustrate

Answer:

in sexual reproduction the offering we see the same number of chromosome from each parent

Which is an example of a vestigial structure?

A) The flipper of a whale
B) The wings of a bird
C) The tailbone of a human
D) The eyes of a bat

As you increase the temperature, the rate of photosynthesis increases and then decreases.


True

False

A mutation that can be inherited by offspring would result from A) random breakage of chromosomes in the nucleus of liver cells B) a DNA base substitution in gametes during meiosis C) abnormal lung cells produced by toxins in smoke D) sun exposure of skin cells

What is ecological succession?
A. Change that happens over time in an ecological community

B. A way a life

C. One person giving another person power

How do you calculate the number of neutrons?
A. The same as the atomic number

B. Equal to the number of protons

C. Equal to the number of elections

D. Take the mass number and subtract out the atomic number

HURRY PLS. What kind of bond forms between the oxygen atoms of one water molecule
and the hydrogen atoms of another water molecule?
A. Hydrogen
B. Polar covalent
C. lonic
D. Metallic

There are approximately 480 million alveoli present in human lungs. About 70% of the area of each alveolus is wrapped in
capillaries.
These factors make the alveoli a perfect location for

When might self-fertilization be beneficial for a plant? When there are too many dioecious individuals in a population, self-fertilization becomes beneficial for a monoecious individual. When environmental conditions are harsh, such as a plant growing in nutrient-poor conditions, or when herbivores have damaged the plant, plants may self fertilize. When environmental conditions are perfect, plants can afford to self-fertilize. Only plants with perfect flowers are capable of self-fertilization.

Which of the following facts is the best evidence that humans and salamanders had a common ancestor?

A) Both species eat meat
B) Both species have pharyngeal arches and slits when they are embryos
C) Both species can swim
D) Both species have skin

Which pronoun correctly completes this sentence?

Ingrid tells her friends about rugby, and _______ tell her about football.
their
them
they
themselves

How are genes and proteins related?
O A. Proteins are used to build genes.
O B. Genes contain the code to make proteins.
O C. Proteins are made of parts of genes.
O D. Genes and proteins are both made of DNA.
SUBMI

What does the theory of evolution tell us about living things?

A) The environment can make them change rapidly over a short period of time. B)They create fossils when they die
C)Their environment makes them change slowly over time.
D)They can give us clues about extinct species. (science 7th grade) (100 POINTS)

16. Which genotype represents a recessive trait? *
1 point
ee
Ee
EA
EE

What is the function of the stigma?
A. To catch pollen grains

B. To produce eggs

C. To attract insects

A Endometriosis is a condition that occurs in some women , causing multiple cells or layers of cells to grow outside of the uterus. In some cases , these growths can actually cover the entire ovary or cause the tube leading from the ovary to the uterus to be blocked. The diagram represents the female reproductive system . structures , A and B are labeled Zoom Select structure A or B and indicate your selection . Describe specifically how the growths that are characteristic of endometriosis at the location you selected affect the ability of a female to become pregnant

What is passive smoker ?​

which examples represent abiotic factors affecting biotic factors? Check all that apply

In a population:
A. Are organisms that live all over the world

B. Are autotrophs

C. All organisms are of different species

D. All organisms are the same species

PLEASE JUST ANSWER THE SURVEY I WILL GIVE YOU POINTS
How much time do you send on your phone (on average)?
<1 hour
1-2 hours
2-3 hours
>3 hours

Which of the statements regarding the nitrogen cycle is true? a. Denitrification occurs when a nitrogen containing compound is produced from nitrogen in the soil. b. Atmospheric nitrogen is absorbed through the leaves of plants. c. Nitrogen fixation is the process atmospheric nitrogen is converted into biologically usable forms. d. Animals obtain nitrogen through the process of cellular respiration

Which is not true of selective breeding?
Selective breeding always produces unhealthy
offspring
Selective breeding can be used to weed out weak
genes.
Selective breeding can be used to pass on
desirable genes.
Selective breeding has been used by humans for
thousands of years.

Which of the following is contained in a marsupial's pouch? a respiratory glands. b. digestive glands. mammary glands d. none of the above. C Please select the best answer from the choices provided Ο Α OB ОС ​

1. What is facial reconstruction? Why is it used?

What are the two sensory functions of ears?​

chlorophll absorbs what colors

The hard outer covering of a snail's ventral foot is called the

Help meeeeee plsssss! :)

1) List three properties of rocks.​

Question 16
Which statement regarding succession is NOT true?
Succession is a sequence of changes in the species composition of an ecosystem
1 Secondary succession occurs when one community of organism replaces another
2 Succession that occurs after a volcanic explosion would be followed by primary succession
O A forest fire that destroys an ecosystem would be followed by primary succession

Alma is walking in a park. Suddenly, a wild dog charges towards her. Alma is frightened. The ____ starts to respond by increasing her heart rate and dilating her pupils. After running for a few minutes, Alma realizes that the dog has fallen far behind. At this point, her ____ starts working to relax her body slowing down her heart rate and constricting her pupils.

1.
A. parasympathetic nervous system
B. Somatic nervous system
C. Sympathetic nervous system

2.
A. Parasympathetic nervous system
B. Somatic nervous system
C. Sympathetic nervous system
​