answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
____ [38]
2 years ago
9

In this field of sunflowers, variation exists. Some flowers are tall, others short, and finally some plants are an intermediate

height. The tallest plants shade the shorter; the taller plants are pollinated first. Over time, we might expect this field of sunflowers to be mostly tall. According to this scenario, identify the type of reproduction and list the processes that aid in variation.
A) Sexual: mitosis and random assortment of chromosomes; fertilization


B) Asexual reproduction: meiosis and crossing over; pollination and fertilization


C) Sexual: meiosis, crossing over, and random assortment of chromosomes; pollination
Eliminate

D) Asexual: mitosis; reduction division of chromosomes with random assortment; pollination
Biology
2 answers:
babunello [35]2 years ago
8 0

The answer is C, sexual: meiosis, crossing over, and random assortment of chromosomes; pollination

Eliminate

RUDIKE [14]2 years ago
6 0
The answer for this question is C
You might be interested in
Tim found a tool in his father’s toolbox and was curious about what it is used for.
Zinaida [17]

Answer:

The answer is A, It measures length.

Explanation:

3 0
2 years ago
Read 2 more answers
(PLSSS DO THIS ILL MARK BRAINLESS) Matter on Earth constantly cycles between the different reservoirs of the Earth system. As ma
UkoKoshka [18]

Answer:

The total amount of matter on Earth constantly increases.

Explanation:

This is because there are always new things taking birth every second and they have matter in them, so the matter is increasing constantly.

8 0
2 years ago
Without digestive enzymes, you would likely die from starvation waiting for your food to break down into small molecules. Why do
Serjik [45]

Answer: Enzymes lower the activation energy found in food molecules

Explanation:

Food substances like yam, potatoes, egg etc are all made of chemical elements bounded to one another by chemical bonds such as hydrogen bonds, covalent bonds etc

During digestion, these bonds must be broken for carbohydrates to yield glucose, protein to yield amino acids.

Hence, added enzymes lowers the strength of this bonds i.e activation energy, by placing them into their active sites, which is equipped to cleave specific bonds

Thus, digestive reactions are quicker in the presence of enzymes than otherwise.

4 0
2 years ago
Read 2 more answers
Vegetation type of drought-resistant grasses also refers to a very dry climate, characteristic of southern russia, ukraine, and
g100num [7]
The vegetation type is called STEPPE. Steppe refers to the vegetation type in which there are only grassland plains; no trees exist in this eco-region. The countries of the world where this type of vegetation can be found include Russia, Ukraine, Hungary, etc. The steppe biome is a cold, dry grassland that exist in all the continents of the world except in Australia and Antarctica. Humidity level is usually very low in this biome because they are usually located far away from the ocean.
6 0
2 years ago
A bread whose texture is too dense was probably made from a dough containing too __________
fenix001 [56]
I am so confused, what's your question?
7 0
2 years ago
Read 2 more answers
Other questions:
  • 3. Which of the following is a characteristic that could be applied to both living and nonliving things? (1 point)
    11·1 answer
  • How does light intensity affect oxygen production?
    13·1 answer
  • Juan picks up a steel utensil and immediately drops it because it’s extremely hot. How does the reflex arc work to protect Juan
    12·2 answers
  • A hiker has become overwhelmed with heat while walking in the Grand Canyon. The hiker's body goes into overdrive to keep cool in
    6·1 answer
  • A small molecule known as a methyl group can attach to DNA. Which of the following statements about this event is true? Group of
    10·1 answer
  • Describe the characteristics of the phospholipid bilayer that permit small hydrophobic lipid molecules to pass directly across t
    12·1 answer
  • The receptive field of this type of cell in the striate cortex is made up of a large number of receptive fields from neurons in
    15·1 answer
  • A grassy meadow high in the Sierra Nevada Mountains of eastern California is known to support a variety of organisms. During the
    7·1 answer
  • A student observed a palisade cell using a microscope. The microscope had four objective lenses, each with a different magnifica
    10·1 answer
  • According to catastrophists what was the rate of geological change?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!