The evolutionary pathways of five species are represented in the diagram below.
Present
{
Past
Whích statement is best supported by the diagram?
А.
Species T and Species U are related to species X
B. Species X evolved later than Species U but before Species s.
С.
Species T is the ancestor of Species S.
D
Species U and V evolved from Species S.
Answer:
4
Explanation:
The statement that is best supported by the image is that species T and species U are related to species X.
What is evolution?Is the gradual development of new forms of organisms from their ancestral forms.
In the image, X is the ancestor of T, U, V, and S. Thus T, U, V, and S are related by common ancestry.
Thus, it is correct to say that T and U are related to species X.
However, it is incorrect to say that X evolved later or species U and V evolved from S.
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Which of the following are the results of a population reaching the carrying capacity of the environment in which it lives? (Choose
all that apply) WARNING I will report if there are any links to the answer!!
A)The birth and death rates will balance each other out for a net growth rate of zero.
B)The population will no longer grow in size.
C)Death rate will increase, and birth rate will decrease until they balance each other out.
D)Birth rate will increase, and death rate will decrease until they balance each other out.
Answer:
✦ The birth and death rates will balance each other out for a net growth rate of zero.
✦ Death rate will increase, and birth rate will decrease until they balance each other out.
✦ The population will no longer grow in size.
Explanation:
Due to practical limitations of food, water, and space, a given environment has a maximum population size it can support.
A place can support a population of 40 wolves. There are 55 wolves living in the area. What will happen to the wolf population?
Select one:
A. it will decrease.
B. It will remain the same.
C. it will increase very fast.
D. It will increase slowly.
Answer:
Well,if this place can only support a maximum amount of 40 wolves and 55 wolves are living in the area, the wolves population will decrease.
Explanation:
In order from youngest to oldest, what is most likely the correct order for the rock layers??
Answer: 1, 5, 2, 3, 4.
Explanation: Using process of elimination layer four should be the oldest and the only one that has layer four last is number 2. Therefore I assume it is number 2.
PLZ, PLZ, PLZ HELP! NEED NOW!
Answer:
the plant is gaining minerals, sugars, and water
Explanation:
How could a change in the DNA sequence of a single gene affect an organism?
The organism would likely no longer be able to produce offspring.
The gene could code for carbohydrates instead of proteins.
The function of a protein encoded by the gene could change.
DNA could change into RNA.
Previous
Answer:
C .
Explanation:
integrated science
plant reproduction
Flowering plants reproduce sexually through a process called pollination. The flowers contain male sex organs called stamens and female sex organs called pistils. Cross-pollination happens when the wind or animals move pollen from one plant to fertilize the ovules on a different plant.
All of the humans in a particular city would be considered a population. True or False?
Answer:
The Answer is gonna be True:3
This is the right Answer :3
I hope you are having a great day ❤️❤️❤️❤️❤️
A chromosomal alteration in which one or more
pairs of homologous chromosomes fail to separate
normally during meiotic cell division is known as... 1.)an addition
2,) crossing over
3.) nondisjunction
4.) translocation
A scientific study demonstrated that rat mothering behavior impacts the stress response in their pups. Rats that were born and grew up with attentive mothers showed low activation of stress-response genes later in life, while rats with inattentive mothers had high activation of stress-response genes in the same situation. An additional study that swapped the pups at birth (i.e., rats born to inattentive mothers grew up with attentive mothers and vice versa) showed the same positive effect of attentive mothering. How do genetics and/or epigenetics explain the results of this study
Answer and Explanation:
Regarding genetics, the results of the study show that the mother's genetic material does not influence the behavior of rats in times of stress or in the biological responses of rats to these stressful moments. This is because the mice inherited their mothers' genes, but did not show the same results in a stressful situation when they were raised with different mothers.
Regarding epigenetics, however, we can see that the mothers' behavior in relation to the care of rats managed to provoke epigenetic changes that prevented or stimulated the expression of genes linked to stress, in these rats. The rats that were raised with attentive mothers showed a low expression of stress-linked genes, regardless of the biological mother they had. In addition, it is possible to notice that this modification is permanent, since the rats presented this same type of response throughout their lives.
If a father has the genotype DD and a mother has the genotype dd, what would be the child’s genotype
How does the aorta compare in size to the other blood vessels near it?
Answer: Its wider and thicker than most blood vessels
Answer: The aorta is the largest blood vessel in the body. This artery is responsible for transporting oxygen rich blood from your heart to the rest of your body. The aorta begins at the left ventricle of the heart, extending upward into the chest to form an arch.
Blood vessels are the channels or conduits through which blood is distributed to body tissues. The vessels make up two closed systems of tubes that begin and end at the heart. One system, the pulmonary vessels, transports blood from the right ventricle to the lungs and back to the left atrium.
Explanation:
Why is sexual reproduction associated with meiosis? meiosis reproduces identical DNA meiosis is the complete process of sexual reproduction meiosis helps to generate variability meiosis produces gametes
Answer:
meiosis produced gametes
Explanation:
During sexual reproduction, meiosis generates genetic variation in offspring because the process randomly shuffles genes across chromosomes and then randomly separates half of those chromosomes into each gamete. The two gametes then randomly fuse to form a new organism.
Hope it right
How is the ocean biome and the tundra biome different with climate change?
When did the Paleozoic Era begin?
66 million years ago
400 million years ago
4 billion years ago
550 million years ago
The Paleozoic Era began approximately 550 million years ago and ended approximately 252 million years ago.
What is Paleozoic Era?The Paleozoic Era is a geological epoch that lasted about 541 million years and ended about 252 million years ago.
It is also known as the "Age of Invertebrates" because it witnessed the rise and dominance of numerous invertebrate groups, including trilobites, brachiopods, and ammonites.
From oldest to youngest, the Paleozoic Era is divided into six periods: the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian.
Many significant events in the evolution of life on Earth occurred during this time period, including the Cambrian period's explosion of diversity, plant and animal colonization of land, and the emergence of reptiles and insects.
Thus, the answer is 550 million years ago.
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question is in the pic
Plants:
1. Most plants respond to the environment by growing towards the light.
2. Plants respond to daily and seasonal cycles and diseases.
Flatworms:
1. Flatworms respond to changes in light.
2. Flatworms adapt to marine life by using diffusion to breathe and to distribute nutrients to other parts of the body.
Humans:
1. The nervous system allows an organism to respond quickly to changes in the internal or external environment.
2. Some humans modify the environment (positively or negatively), such as cutting forests, building dams, and expanding urban areas, etc.
why animals need a circluatory system
Answer:
All cells in the body need to have oxygen and nutrients, and they need their wastes removed. These are the main roles of the circulatory system. The heart, blood and blood vessels work together to service the cells of the body.
Explanation:
what is the number of cells at the beginning of meiosis
I think it’s tree am I right?
Answer:
mm yes tre.........
Explanation:
Can you define these words?? Thanks!
Cellulose
Chlorophyll
Chloroplast
Bryophyte
Pterophyte
Gymnosperm
Cone
Angiosperm
Flower
Cuticle
Vascular tissue
Xylem
Phloem
Roots
Root hairs
Stems
Leaves
Photosynthesis
Answer:
Cellulose - It is described as a complex carbohydrate that forms the main constituent of the cell wall in most plants and is important in the manufacture of numerous products like pharmaceuticals, textiles, etc.
Chlorophyll - Any of a group of green pigments that are found in the chloroplasts of plants and in other photosynthetic organisms such as cyanobacteria.
Chloroplast - An organelle found in the cells of green plants and in photosynthetic algae, where photosynthesis takes place.
Bryophyte - Any plant of the division Bryophyta, defined "sensu lato" to comprise the mosses, liverworts, and hornworts, and corresponding to all embryophytes that are not vascular plants.
Pterophyte - It is characterized as any fern(seedless plant) that is a division of Pteridophyta.
Gymnosperm - Any plant such as a conifer whose seeds are not enclosed in an ovary or those who don't bear seeds or fruits. Example; Cycads.
Cone - A cone-shaped flower head of various plants like banksias and proteas.
Angiosperm - Any flowering plant characterized by having ovules enclosed in an ovary and thus, produces fruits, as well as, seeds.
Flower - A reproductive structure in angiosperms and often conspicuously colorful and typically including sepals, petals, and either or both stamens and/or a pistil.
Cuticle - A noncellular protective covering outside the many invertebrates and plants.
Vascular tissue - The complex tissues that consist of various cell types and primarily responsible for transporting liquid and other nutrients throughout the plant or animal body.
Xylem - A vascular tissue in the land plants primarily responsible for the distribution of water and minerals that are taken up by the roots and also the key component of the wood.
Phloem - A vascular tissue in land plants primarily responsible for the distribution of sugars and the nutrients manufactured in the shoot.
Roots - The part of the plant which is generally underground that anchors and supports the plant body. It absorbs and stores water and nutrients, and in some plants is able to perform vegetative propagation.
Root hairs - The rhizoid of a vascular plant or a tabular outgrowth of a trichoblast, hair-forming cell on the epidermis of a plant root.
Stems - The above-ground stalk of a vascular plant that supports individual parts of a plant like leaves, flower, fruits, etc.
Leaves - The green and flat organ that represents the most prominent feature of the most vegetative plants.
Photosynthesis - The process by which plants and other photoautotrophs convert light energy into chemical energy. For example; Plants use air, water, along with sunlight to synthesize their food(carbohydrates and waste oxygen).
What do you think would happen to the population of rabbits, if the population of foxes decreased?
Answer:
the population of rabbits might increase
Explanation:
With less predators to eat them, the rabbit population will likely go up if the fox population decreases; assuming there are favorable factors such as plenty of food and habitat for the rabbits. At some point, there is a maximum limit to the number of rabbits that a certain location can hold. Once this limit is reached, (some of) the rabbits will migrate elsewhere or unfortunately die off.
As the rabbit population increases, the fox population may rebound and start increasing again. This is due to more food being available to the smaller amount of foxes, and there is less competition for food. So the rebounding fox population will likely bring down the rabbit population to a point where food will get more scarce for the foxes. This cycle repeats itself where one population increases while the other decreases, and vice versa. They are very strongly linked together. It's also possible that both will increase together if environmental factors are favorable, but they could easily decrease together if a habitat is being destroyed for instance. It will depend on the circumstance.
What is condensation and what cycle is it a part of?
Why is it important for your brain to control many functions automatically?
Answer:
The brain controls what you think and feel, how you learn and remember, and the way you move and talk. But it also controls things you're less aware of — like the beating of your heart and the digestion of your food.
Think of the brain as a central computer that controls all the body's functions. The rest of the nervous system is like a network that relays messages back and forth from the brain to different parts of the body. It does this via the spinal cord, which runs from the brain down through the back. It contains threadlike nerves that branch out to every organ and body part.
Explanation:
If you brain does not, or is unable to perform multiple tasks automatically, you could have trouble breathing on your own, your heart could have problems, even your thought process, movement, and digestion could malfunction. Which could cause a multitude of complications.
Hope this helped, have a great day/night :}
What is not true about ocean waves?
They get their energy from the wind.
They can travel long distances.
They transfer energy without matter as a medium.
The greater the wind speed is, the higher the wave is.
Answer:
They transfer energy without matter as a medium
Explanation:
I don't really have one
how does greenhouse effect warm the earth?
Answer:
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The greenhouse effect is a natural process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases. The absorbed energy warms the atmosphere and the surface of the Earth.
Which of the following is a subsurface event that takes place during the rock cycle? (4 points)
a
Deposition
b
Erosion
c
Weathering
d
Plate tectonics
Answer: Plates tectioncs
HOPE THIS HELPS
Answer:
Options D) is correct
Plate tectonics is a scientific theory that explains how major landforms are created as a result of Earth's subterranean movements.
Explanation:
Choose all the answers that apply. The hypothalamus _______
Answer:
A. The anterior pituitary is also known as the adenohypophysis.
C. The anterior pituitary is stimulated by the hypothalamus via hormones that travel through the hypophyseal portal system.
D. Oxytocin is secreted by the anterior pituitary.
Explanation:
I NEED IT NOWWW ASAP PLEASEE ITS A TEST
Plants with dark brown stems mated to ones with light colored stems: All offspring have a medium brown color.
C. Incomplete dominance
D. Polygenic
E. X-linked gene
B. Codominance
A.Dominant/recessive gene
Answer: could be Polygenic whish you the best in your test i had to take my test at home while everyone at school does it
Question 3 of 20 -
0000 UNIT SCI07 408 SLPS2021
Question: 1-3
A biologist describes two modern-day species as "sharing a common ancestor." What does it mean when two species share a common ancestor?
Both species evolved from one species that lived in the past
One of the species evolved into the other species
The two species are actually the same species with genetic variation
The two species reproduced with one another and formed a common ancestor
Answer: C. is your answer
Explanation: It means the species shared a common ancestor in the recent past.
what is meanustration pariod
Answer:
menstration period is when a woman's body releases tissue it no longer needs so then the girl bleeds (usually for 7 days) and then every month or so (different for all girls) the uterus lining gets thicker to prepare for a fertilized egg if the woman becomes pregnant. :)