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boyakko [2]
3 years ago
15

2. Name three plants that reproduce by vegetative propagation.

Biology
1 answer:
baherus [9]3 years ago
5 0
Hens, chickens, and coleus
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Which group of mollusks includes animals that are well-adapted to rapid swimming in the pelagic zone of the ocean, with streamli
Marina CMI [18]

Answer:

Cephalopods

Explanation:

Cephalopods are mollusk of the class Cephalopoda, which includes squid, cuttlefish, octopus, nautiloids etc. Cephalopods are invertebrate marine animals that possess streamlined soft bodies, a large head and eyes, and numerous feet (called arms or tentacles) which is about eight or ten in most forms but about 90 in Nautilus. There are several species (about 800) of Cephalopods. Cephalopods have a more oxygen-efficient closed circulatory system, and they are well-adapted to fast swimming in the pelagic zone of the ocean.

4 0
3 years ago
The saying goes: "form fits function". This is one of the reasons why the human femur is larger and thicker than the humerus. If
Liono4ka [1.6K]

Answer: Our superior extremities would have grown more larger but not thicker than ourselves.

Explanation: We haven't to use our superior extremities to move. But if humans were to walk on "all fours", we expect our bone sizes to evolve as form fits function

3 0
3 years ago
Phenylketonuria (PKU) is a disease caused by a recessive mutation. PKU is extremely common in Ireland, affecting approximately 1
aleksklad [387]

Answer:

97%

Explanation:

PKU is caused by a recessive mutation, which means that affected individuals are homozygous and recessive (<em>tt</em>).

<u>The frequency of genotypes according to Hardy-Weinberg equilibrium is:</u>

TT= p^2\\Tt=2pq\\tt=q^2

where p is the frequency of the <em>T</em> allele and q is the frequency of the <em>t</em> allele.

Affected individuals are 1 in 4500, which means the frequency of <em>tt </em>genotype is 1/4500.

If the population is in Hardy-Weinberg equilibrium,

q^2=1/4500\\q=\sqrt{1/4500} \\\\q=0.015

The sum of the allele frequencies adds up to 1, therefore:

p + q = 1

p= 1 - q

p= 1 - 0.015

p= 0.985

The frequency of the TT genotype (homozygous wild-type individuals) will be:

p^2=0.985^2\\p^2=0.97

97% of the population will have the homozygous wild-type TT genotype.

3 0
3 years ago
Even though jellies can swim, why are they still classified as plankton?
Scilla [17]

Answer:

All plant and animal organisms that float or move to a limited extent in water, carried by currents and waves are called plankton.

Explanation:

Jellyfish are on the border of plankton and nekton. They are made of gelatinous tissue in which water makes up 98% of the body's composition. Simple anatomy, they have a single-opening digestive tract and a reticular nervous system.

7 0
2 years ago
PLEASE HELP I NEED THIS TO PASS
Maurinko [17]

Answer:

scientist can learn how the rat has evolved based on where they live. it also helps find what the common ancestor was and all the common traits they have, for example rats in Norway may be used to the cold. and the rats in africa need to adapt to the heat and the constant threat of them being eaten.

7 0
3 years ago
Read 2 more answers
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