BIOLOGY HIGH SCHOOL

Mollusks like clams and snails have a simple heart that pumps _____ through open-ended vessels.blood
water
hemolymph
lymphocytes

Answers

Answer 1
Answer:

Ans.

Mollusks are organisms of an invertebrate phylum mollusca. In these organisms, open circulatory system is present, in which a fluid-filled cavity (hemocoel) bathes different body organs to provide nutrients and oxygen.

Mollusks show a three-chambered, simple heart with two auricles and a single ventricle. The ventricle pumps hemolymph into the aorta, which is then transferred to the rest of the body organs.

Thus, the correct answer is option). 'hemolymph.'

 
Answer 2
Answer:

The answer is Hemolymph.

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A rainforest is an example of a _____.-biome
-community
-habitat
-population

Answers

it could be biome or habitat, but I'm gonna say it's a biome because biomes are ecosystems were habitats meet. and a habitat is a place were a different species live. so yes, it's a biome.

Answer:

biodome

Explanation:

What do all members of a biological species have in common? A.They can interbreed and produce fertile offspring.

B.They are members of the same population.

C.They have identical physical characteristics.

D.They live in the same geographical location.

Answers

a) they can interbreed and produce fertile offspring.
The answer would be they can interbreed and produce fertile offspring

A dehydration synthesis reaction between glycerol and a single fatty acid would yield a(n)(a) micelle(b) omega-3 fatty acid(c) triglyceride(d)monoglyceride(e) diglyceride

Answers

Answer:

TRYGLYCERIDES

Explanation:

This is a macromolecule formed f rom CONDENSATION of Fatty acid and glycerol.

It result in formation of water molec from the loss of OH group from the glycerol and H ydrogen from the fatty acids.

The bond formed after condensation

Is ESTER BONDS.

Tryglycerides are hydrophipic.:water hating.

A dehydration synthesis reaction between glycerol and a single fatty acid would yield a monoglyceride.

In a dehydration synthesis reaction, also known as a condensation reaction, between glycerol and a single fatty acid, a monoglyceride is formed. Glycerol, a three-carbon alcohol, reacts with a fatty acid through the removal of water molecules. In this process, one hydroxyl group from glycerol combines with a carboxyl group from the fatty acid, resulting in the formation of an ester bond.

This ester linkage connects the glycerol molecule with the fatty acid, producing a monoglyceride. Unlike a triglyceride, which is formed when all three hydroxyl groups of glycerol react with fatty acids, a monoglyceride consists of a single fatty acid attached to the glycerol backbone. Monoglycerides are important molecules in lipid metabolism and can serve as intermediates in the synthesis and breakdown of more complex lipids in biological systems.

For more questions on glycerol

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Jessa bought a yoyo from a company that claims that, with each retraction, the string rolls up by 60% of the original length. She sets up a tape measure and throws the yoyo 3 times. Her data are charted below.Throw Length of string (feet)
1 3
2 1.8
3 1.08


Jessa wants to find the sum of the length of string after 10 throws. Choose the answer that shows the sum of the lengths rounded to the nearest hundredth.

A. 0.03 foot
B. 2.50 feet
C. 7.50 feet
D. 7.45 feet

Answers

The general formula for a geometric sequence can be written as: 
a(n) = a r^(n-1) 

a = first term = 3 
r = common ratio = 0.6 
n = number of terms = 10

substituting the values:

a(n) = 3 * (0.6)^(10-1)
a(n) = 3 * (0.6)^9 
a(10) = 0.030

Sum of the ten terms = 3 (1-0.6^10)/1-0.6
                                   = 2.98/0.4
                                   = 7.45

Answer:

7.45

Explanation:

took the test

Human impact on ecosystems would most likely lead to secondary succession over primary succession.Please select the best answer from the choices provided
T
F

Answers

Answer:

The given statement is true.

Secondary succession refers to the series of community changes that take place on previously established but damaged or disturbed habitat.

It helps in reviving or re-establishment of the similar ecosystem that previously existed.

It starts by a disturbing event such as natural disaster (hurricane, tornado, earthquake et cetera) and human interventions (deforestation, accidental forest fires caused by human activities, habitat destruction due to mining or dam construction et cetera) which greatly reduce the ecosystem already established.


The Statement would be true stated by the definition

Select the correct answer from each drop-down menu.Plants are classified based on the presence of a certain specialized tissue. A specialized tissue called
and water to all parts of the plant.
tissue helps transport

Answers