Answer:
All angiosperms produce flowers, reproductive structures that are formed from four whorls of modified leaves. Most flowers have showy petals to attract pollinators, bribing insects and other animals with nectar, to get them to carry the male gametophyte through the air to another flower.
Answer:
spores,flowers,cones,endoskeleton
Explanation:
where is the digestive and circulatory system connected?
a. alveoil
b. villi
c. artery
d. pancreas
Answer:
The products of the digestive system are actually tied directly to the circulatory system in that the organs of the digestive system are used to turn ingested food into products that can be absorbed by the blood and then carried to other organs for use as energy or other functions.
Explanation:
Answer:
b) Villi
Explanation:
The digestive and circulatory system is connected by villi.
It is the tiny finger-like projections that line inside of small intestine. Therefore, option (b) is the answer.
Nervous tissue is composed of _ and two types of cells: _ and _
Answer:
Nervous tissue is composed of nerves and two types of cells: neurons and glial cells.
Explanation:
Nerves tissues are composed of nerves and two types of cells are neurons and glial cells.
What do you mean by Nervous tissues?Nervous tissues may be defined as tissues that are found in the brain, spinal cord, and nerves. They are responsible for coordinating and controlling many body activities.
Neurons are the primary type of cells that are associated with the nervous system, while glial cells may be defined as the neurons of the central nervous system which play an important role in the conduction of nerve impulses, but they are non-excitable cells.
Therefore, nerve tissues are composed of nerves and two types of cells are neurons and glial cells.
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which factor most likey results in the loss of genetic variation from small populations?
A migration
B mutation
C genetic drift
D genetic recommendation
Answer:
C genetic drift
Explanation:
variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce.
6. If a substance tests yellow for BTB and red for CR, what is the pH?
The pH of the substance which tests yellow for BTB and red for CR is acidic.
What is pH?This is referred to the power of hydrogen of a substance and it's the degree of acidity and alkalinity of a substance.
An acidic substance will turn Bromothymol blue to yellow and CR to red which was why it was chosen as the most appropriate choice.
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What are the six kingdoms of life?
O Archaebacteria, Eubacteria, Animalia, Protista, Mammal, Plantae
O Archaebacteria, Eubacteria, Animalia, Protista, Fungi, Plantae
O Eubacteria, Animalia, Protista, Fungi, Species, Archaebacteria
• Insectae, Eubacteria, Animalia,
Protista, Fungi, Plantae
Answer:
The answer is B
Archaebacteria, Eubacteria, Animalia, Protista, Fungi, Plantae
Explanation:
No such thing as kindom mammal, eubacteria or insectae. edg 2021
Food Web Wolf Mountain Lion Bobcat Pine Marten Ringtail Eagle Mouse Whiptail Frog Squirrel Deer Grasshopper Which one of the following animals is most likely to be a keystone species, based on the food web provided? (1 point) grasshopper frog deer Mouse
Answer:
look it up on safari it should give u the answer
Explanation:
Can someone please help me? :(
Answer:
d. the northern part of new york
Explanation:
I got it right
Weather is made up of a variety of conditions in the atmosphere. It includes temperature, or the amount of ____ in the air, as well as humidity, the amount of ____ in the air. Pressure is another factor of weather as it affects wind, or the motion of ____. Precipitation also affects weather, and includes ____ and other forms of water that falls from clouds.
OPTIONS:
A) heat, moisture, air, rain
B) moisture, heat, waves, wind
C) heat, water, sunlight, moisture
D) sunshine, heat, coolness, oxygen
Answer:
A
Explanation:
thermostats measure heat, high humidity means it feels moist outside without rain, wind is air, and rain is a type of precipitation
Which part of the nervous system is responsible for transporting information throughout the body.
Answer:
peripheral nervous system
Dora's pet is having babies. the babies are born live and have fur. they drink milk that their mother produces. what kind of vertebrate is dora's pet? question 3 options: a mammal a bird a reptile an amphibian
Answer:
Mammal
Explanation:
The answer is a mammal.
Mammals have hair or fur and are warm-blooded, most are born alive, the young are fed milk produced by the mother's mammary glands, and they have a more complex brain than other animals.
What is the characteristic of mammals?The presence of hair or fur.Sweat glands.Glands are specialized to produce milk, known as mammary glands.Three middle ear bones.Specialized teeth.A four-chambered heart.Thus, the animals belong to mammals.
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What animal lives in the yangtze river and is represented by its own rare xingyiquan form?.
Answer:
Giant Softshell Turtle
Explanation:
Explain Newton's Laws of Motion and how it applies to football, roller skating, soccer, or choose your own examples. Must be three examples.
Answer:
1. If you kick a soccer ball and don't consider friction or air resistance, it would continue non stop until an opposite force acts on it.
2. Pushing a chair has the force of the chair acting on you which you feel as resistance and your force which moves the chair.
3. When air rushes out of a ballon, the air rushes downward and the opposite reaction is that the ballon flies up.
Actively pumping fresh air through the tracheal system is known as.
With the help of an activity show that carbon dioxide is neccessary for Photosynthesis.
Explanation:
To prove the necessity of carbon dioxide in photosynthesis following steps need to do
Insert a part of the leaf of a destarched plant into a conical flask containing potassium hydroxide.
Potassium hydroxide solution absorbs the carbon dioxide gas from the air present in the glass bottle.
Leave the plant sunlight.
After few hours, perform a starch test to this and another leaf of the same plant.
Observation-
Leaf exposed to the atmosphere are bluish black.
Leaf exposed to KOH does not change to blue-black colour
Result- Starch is present in the green part of the leaf.
Conclusion- Presence of starch proves that chlorophyll is necessary for photosynthesis as it traps sunlight.
Additional vascular tissue produced as secondary growth in a root originates from which cells?.
Answer:
The vascular cambium produces new vascular tissue and is responsible for most of the radial expansion of stems and roots.
Explanation:
Does this answer your question???
Additional vascular tissue produced as secondary growth in a root originates from Vascular cambium cells.
What is secondary growth?
Secondary growth happens in the vascular cambium of those plants, that is a skinny layer of tissue containing actively dividing cells. The vascular cambium is a meristematic tissue that develops among the stem's number one xylem and number one phloem.
The Vascular Cambium and Secondary Growth. The vascular cambium and cork cambium are secondary meristems which can be fashioned in stems and roots after the tissues of the number one plant frame have differentiated. The vascular cambium is accountable for growing the diameter of stems and roots and for forming woody tissue.
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Kyle finds an invertebrate outside in the dirt. the invertebrate has a long, tube-like body that is divided into many different parts. he researches the organism and finds out that it has a nervous system, blood vessels, and a long digestive tube that runs down the length of its body. it can also absorb dissolved oxygen through its skin. the organism that kyle found is most likely a(n) _______. question 4 options: echinoderm arthropod segmented worm mollusk
Since, it has a nervous system, blood vessels, and a long digestive tube is most likely a segmented worm.
What is a segmented worm?
Segmented worms have long tube-like bodies that are divided into segments.
They are the simplest organism with a true nervous system and blood contained in vessels.
They have a long digestive tube that runs down the length of the worm's inner body.
They can take in dissolved oxygen from the water through their skin.
Thus, a segmented worm has a nervous system, blood vessels, and a long digestive tube.
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What causes hyperpolarization of a neuronal membrane?.
The cause of hyperpolarization of a neuronal membrane is the flow of positive ions out of the opening channel of the neuronal membrane.
What is hyperpolarization?
This can be defined as when the membrane potential becomes more negative at a particular spot on the neuron’s membrane.
The cause of hyperpolarization is when the flow positive ions out of the opening channel of the neuronal membrane can cause hyperpolarization.
Examples: Opening of channels that lets K+ flows out of the neuronal membrane or let's CL- flow into the neuronal membrane can cause hyperpolarization.
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The study of how genes are transferred from parents to their children and the role of genes in health and disease is known as.
Which of these is LEAST LIKELY to cause a species to become extinct?
more genetic variation
less genetic variation
Answer:
less genetic variation
Research the ways that humans use the coal fossil fuel and relate them to the cycling of matter among Earths subsystems
7th grade science
Please help!!!
The general term that refers to the sum total of all chemical reactions occurring in cells to obtain, release, and use energy is:.
The process in which a gas turns back into a liquid is called __________. What word completes the sentence?
Answer:
The word is condensing.
When two protein chains combine to form an active protein, the structural level is ________
When two protein chains combine to form an active protein, the structural level is quaternary.
What is a quaternary structure?The quaternary and tertiary structure of a protein is the tridimensional shape of the protein, which involves protein domains.
The quaternary protein structure refers to the different arrangements generated by different protein subunits.
The primary structure of a protein involves its amino acid sequence, whereas the second structure involves protein chains.
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When two protein chains combine to form an active protein, the structural level is the quaternary arrangement.
What do you mean by Proteins?Proteins may be defined as naturally emerging, extremely intricate substances that comprise amino acid residues joined by peptide bonds.
The Quaternary structure of a protein is very complex and 3-dimensional as compared to other protein structures which involve numerous motifs and domains.
Therefore, when two protein chains combine to form an active protein, the structural level is the quaternary arrangement.
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How does the use of fossil fuels affect the cryosphere.
Use of fossil fuels will lead to the global warming which increases the temperature of the earth ultimately leading to the melting of the cryosphere.
What is the cryosphere?The cryosphere is a term that refers to the frozen regions of the earth. This would of course include the polar ice caps which are preseved in antarctica.
Hence, the use of fossil fuels will lead to the global warming which increases the temperature of the earth ultimately leading to the melting of the cryosphere.
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Which sample of DNA might be from a cell at the end of metaphase II of Meiosis?
Answer:
The Answer It's III
Explanation:
The Answer It's III
Hello people ~
Sugarcane is propagated by
(a) stem cutting
(b) leaf buds
(c) root cutting
(d) seeds
stem cutting
► planting a portion of an immature cane's stem as a seed into the roots.
Answer:
(a) stem cutting
Explanation:
The sections of the stalk of immature cane used for planting are known as cane sets, or seed cane, and contain two or more buds [eyes], primarily three.
I am joyous to assist you at any time.
What type of epithelium is found lining the ureters, the urinary bladder, and the proximal portion of the urethra?.
Answer:
Transitional epithelium
Explanation:
What is the first thing that can cause a change in allele frequency?
1. Large sample size
2. Extremely large sample size
3. Small sample size
Explain what is meant by the "health of a population”. What affects the health of a population?
Answer:
Population health is defined as the health outcomes of a group of individuals, including the distribution of such outcomes within the group.
someone pls help... how much does a pirate ship ride weigh??
Answer:
500-700 kg
Explanation:
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