Answer:
The average human diet is a lot different than just a few decades ago, let alone thousands of years ago. Such a drastic change in diet appears to be having some adverse effects on our teeth and jaw, which evolved to chomp nuts and other harder foods.
Explanation:
How did the genus homo adapt to accommodate the obstetric dilemma?.
The genus homo adapted to accommodate the obstetric dilemma through the following:
Birth development where the head of the baby rotates.Assistance during labor.What is Obstetrics?This is the branch of medicine which deals with pregnancy, childbirth and the postpartum period.
The genus homo adjusted to obstetrics dilemma by ensuring assistance during labor to ensure safe delivery of the babies by the females.
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who can be titled the brianlist
answer this
Name one organism that is selectively bred.
Answer: Crop plants with better yields. ornamental plants with particular flower shapes and colours. farm animals that produce more, better quality meat or wool. dogs with particular physiques and temperaments, suited to do jobs like herd sheep or collect pheasants.
Explanation: hope it helped :)
How can you relate the structures
to those of bryophytes in terms of evolutionary trend
Answer:
Because ferns and fern allies posses true vascular tissues, they can grow to be much larger and thicker than the bryophytes.
Bryophytes mark the transition to land and the origin of vascular plants, and hence, link the seed and vascular plants to their algal ancestors.
Molecular phylogenetic studies conclude that bryophytes are the earliest diverging lineages of the extant land plants. They provide insights into the migration of plants from aquatic environments to land.What is evolution trends?Evolutionary trends, whether macro evolutionary events across higher taxa and large spans of geologic time, or more circumscribed events within smaller clades, have long played a prominent role in evolutionary theory.
The identification of trends in the history of life has been used as evidence for the increasing adaptions of life, for evolutionary progress, and more recently as support for selection at multiple levels.To know more about evolution here
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Does a kangaroo in hibernate, estivate, or migrate in cold weather?
Answer:
They hibernate in winter and usually breed in spring.
Explanation:
Name two ways that a cell would be harmed if the cell membrane were damaged.
Answer:
Damaging the cell membrane like to impact the functions of the cell because cell membrane acts as a semi-permeable membrane which allows the entry and exit of some materials in and out of the cell. If the cell membrane get damaged then the cell wall allows every molecule to enter or leave the cell without selecting the molecules. Thus, the functional properties of the cell will lost and the cell will die.
Which interest group opposed the U.S. Clean Water Act?
A) citizens of small towns that lacked water treatment facilities
B) mayors of large cities such as New York and Chicago
C) duck hunters
D) owners of printing companies in Tennessee
None of the interest groups mentioned opposed the U.S. Clean Water Act. In fact, the Clean Water Act was passed with broad support from a variety of stakeholders, including environmental groups, industry, and government agencies.
What is the Clean Water Act?The Clean Water Act (CWA) is a federal law enacted in 1972 with the aim of regulating and protecting the nation's waters from pollution and contamination. The CWA established a framework for controlling and limiting the discharge of pollutants into navigable waters, including rivers, lakes, and coastal areas, and set water quality standards to ensure that waters are safe for human use and aquatic life.
The Act provides a regulatory framework for permitting discharges of pollutants, sets water quality standards for contaminants, and establishes a program for regulating the discharge of pollutants from stormwater runoff. The CWA has been amended several times to strengthen its provisions, and it remains a critical tool for protecting water resources and public health in the United States.
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Which population would benefit the most from the presence of decomposers
Answer:
population live in agricultural activities
Explanation:
decomposers recycles nutrients for soil so can plant also use it
What is the Liquid part of blood called?
Answer:
The liquid portion of the blood is called plasma.
Explanation:
hope this helps.
What would happen if there were no predators in the forest? Would the colors of the moths change over time?
What three things would you take with you during the zombie apocalypse and why?
In order to survive, the basic things needed in a zombie apocalypse is food, water and a self-defense object.
What is a zombie apocalypse?A zombie apocalypse is an imaginary scenario in the future where the dead comes back to hunt the living with the intent to destroy all life.
Since survival is the most important consideration in a zombie apocalypse, one would need these three things:
waterfoodand an instrument for self-defense.Therefore, the basic things needed in a zombie apocalypse is food, water and a self-defense object.
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Explain the difference between a lateral moraine and a terminal moraine.
Answer:
Terminal moraines are found at the terminus or the furthest (end) point reached by a glacier. Lateral moraines are found deposited along the sides of the glacier. Medial moraines are found at the junction between two glaciers.
Which food chain correctly shows the direction that energy and matter can flow through a temperate forest ecosystem?
a) fruit > insect > sparrow > hawk
b) hawk > fruit > insect > sparrow
c) insect > sparrow > hawk > fruit
d) insect > hawk > fruit > sparrow
Answer:
Fruit comes from plants, which are producers. Insects are primary consumers, sparrows are secondary consumers, and hawks are tertiary consumers.
Explanation:
Hope this helps.
What are the two chemical components of chromosomes?.
Answer:
Explanation:
DNA & Protein are the two chemical components of chromosomes that candidate for genetic material
How many bivalents are formed in a cell with 20 chromosomes at the beginning of meiosis i?.
what do you think are the odds of getting four tails in a row? Explain your answer.
Answer:
It depends on how many flips you do.
Explanation:
None.
In an experiment investigating the time needed to kill a certain type of bacteria at 100°, which of the following variables need to be controlled?
time only
temperature and type of bacteria only
temperature only
time and temperature only
Baed on the nature if the investigation, the temperature and type of bacteria need to be controlled in this experiment.
What are variables in an experiment?Variables are quantities whose values determine the result or can affect an experiment.
Variables may either be:
dependent variableindependent variable constant variableSince the experiment is investigating the time needed to kill a certain type of bacteria at 100°, the temperature and type of bacteria need to be controlled.
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Vitamin D regulates Multiple Choice blood calcium levels. Fluid balance. Oxidation and reduction reactions. Energy metabolism
Vitamin D help to regulate blood calcium levels.
What is Vitamin D?Vitamin D is a group of fat-soluble secosteroids responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, and many other biological effects. In humans, the most important compounds in this group are vitamin D₃ and vitamin D₂. .
It help to absorb calcium and potassium in the body.
Therefore, Vitamin D help to regulate blood calcium levels
In what way is an ecosystem different from than an organism, population, and a community?
Answer:
Ecosystems are made up of all the different living organisms as well as the abiotic elements that affect them. In ecology, the difference between community and ecosystem is that the community refers only to living organisms inside an ecosystem.
Explanation:
Which choice best describes a plant cell? A cell that uses sugars.
B cell that has a nucleus.
C cell that has a cell wall.
D A cell that has a cell membrane.
Answer: C
Explanation:
rays of the sun hitting your face. is it potential energy kinetic energy or both
Answer:Radiant energy is a form of kinetic energy so it is Kinetic energy .
What are the horticultural advantages of producing plants by cuttings rather than from seeds? Can you think of any disadvantages?
Answer:
Propagating a plant by cuttings will allow you to keep the special characteristics of that plant. Plants grown from seed will often be different from the parent plant and from each other. Propagating a new plant via cuttings avoids the difficulties of propagating by seed.
8. Choose the best answer. Polar bears have adaptations for swimming long distances. Where is this adaptation found?
O phenotype
O genetic code in RNA
O genetic code in DNA
O genotype
Answer:
a
Explanation:
a is phenotype
Answer:
i think its phenotype
Explanation:
-phenotype is the set of observable characteristics or traits of an organism
What is the maximum number of seeds of any one type that the seed dispensary can hold?.
Answer:
20 seeds of each plant can be held at a time.
Explanation:
:)
An antigen has invaded a mammal's body. Specific immune cells engulf and ingest it. Some of the digested pieces are displayed on the cells' bodies. What happens next?
Answer:
The correct answer is A- B cells are activated and release antibodies
Explanation:
When an antigen invades a mammals body, specific immune cells engulf and ingest it. Some of the digested pieces are displayed on the cells bodies, the next step will be that B cells are activated and release antibodies.
What important role does water play in the function that needs to be performed by the kidneys
Answer:
Water helps the kidneys remove waste from your blood through urine. Water also helps keep blood vessels open, which lets blood flow through easier, letting the blood remove its waste through the kidney more efficiently.
Explanation:
Answer:
It helps in Osmoregulation and removal of excess liquid from the body.
Explanation:
It regulates fluid balance by excreting excess amount of water as urine while retaining the necessary amount of water in the body that is essential for living.
Osmoregulation - the process of maintaining salt and water/osmotic balance across membranes within the body.
The fluids inside and surrounding cells are composed of water, electrolytes, and non-electrolytes.
Can someone help me with the entire gizmo?
it’s the natural selection gizmo
Answer:In this simulation, you are a bird hunting for moths.
Explanation:
In this simulation, you are a bird hunting for moths. You can hunt in an area with light-colored trees or dark-colored trees.
Which of the following explains Mendel's principle of segregation?
A. During meiosis, gametes are produced with only one copy of each gene.
B. Heterozygous organisms always breed true for a given trait.
C. Genes that are close to each other on a chromosome are often inherited together.
D. An organism must receive only one copy of a recessive gene to show the recessive trait.
Answer:
C. Genes that are close to each other on a chromosome are often inherited together.
In proteins structure determine the what? of a protein
The primary structure of a protein is its amino acid sequence. This drives the folding and bonding of the linear amino acid chain, which in turn determines the unique three-dimensional shape of the protein.
I hope this helps you
:)
Describe the roles of the national and state governments in the amendment process?
Answer:
only three-fourth of states legislatures need to pass an amndment to the constitution
Is NaCI a diatomic element
Answer:
Yes.
Explanation:
HCl, NaCl, and KBr are all examples of diatomic elements.