According to the tree, which primates share the most recent common ancestor with humans?

What are some habits of the tiger salamander?

iren2701 [21]

Answer:

They hide in cool, shady, moist places under rocks and logs and in damp cellars.

Tiger salamanders can be difficult to spot because of their secretive nature and ability to spend long periods of time burrowed underground

They do not drink, but absorb water through the skin while sitting in puddles, in wet mud or sand, or by flattening their bodies on dew-covered rocks.

Tiger salamanders are wide spread but rarely seen because adults spend most of their lives underground.

They often occupy rodent, tortoise or crayfish holes, or burrow into soft dirt.

Explanation:

I hope these were enough :)

6 0

1 year ago

Examine the genotype for an individual who is AaBbCcDc. Predict the outcomes of meiosis and the potential gamete combinations th

Katarina [22]

Answer: 16 different gametes

ABCD
ABCd
ABcD
ABcd
AbCD
AbCd
AbcD
Abcd
aBCD
aBCd
aBcD
aBcd
abCD
abCd
abcD
abcd

Explanation:

Gamete formation involves the random and independent segregation of alleles. During anaphase 1 (meiosis), occurs the independent separation of homologous chromosomes that migrate to opposite poles of the cell. This separation generates different chromosomal combinations in the daughter cells. There are two alternatives per homologous pair.

The number of gametes with different combinations is 2ⁿ, where

n = number of homologous pairs.

In the exposed example there are 4 pairs of chromosomes, so

the number of possible combinations of chromosomes = 2ⁿ = 2⁴ = 16

Individual: AaBbCcDdEe

You can make use of the fork line method to easily figure out the possible gametes.

A.......B.........C........D → ABCD

........d → ABCd

...........c.........D → ABcD

........d → ABcd

b.........C........D → AbCD

........d → AbCd

...........c.........D → AbcD

........d → Abcd

a.......B.........C........D → aBCD

........d → aBCd

...........c.........D → aBcD

........d → aBcd

b.........C........D → abCD

........d → abCd

...........c.........D → abcD

........d → abcd

7 0

3 years ago

Just before opening her parachute a skydiver of mass 50 kg reaches terminal velocity.calculate the force of air resistance

Bad White [126]

Terminal velocity is described as a velocity attained when an object which falls freely experiences 0 net force owing to gravitational force which is balanced by the resistance of the air. Hence, there is no acceleration thus, the velocity is constant. In order to attain terminal velocity by the skydiver, the weight of the skydiver must be equal to the resistance of the air hence we have the equation below;

50 kg*9.8 m/s²= 490 Newton.

Summarily, the force or magnitude of the air resistance is 490 Newton

3 0

3 years ago

Describe (in complete sentences) and give at least 3 examples of pioneer species. *

Sphinxa [80]

Answer:

Plankons, fungi, bacteria, lichens etc. are the pioneer species of ecological succession. Pioneer species are hardy species which are the first to colonize previously biodiverse steady-state ecosystems. Some lichens grow on rocks without soil, so may be among the first form of life the example includes bacteria, fungi, and lichens.

Explanation:

4 0

3 years ago

What do sphincter muscles do? a. Trigger hormone release. b. Control peristalsis. c. Secrete digestive juices into the GI tract.

Maksim231197 [3]

Answer:

Answer is E.

Explanation:

Generally, sphincter are circular or ring - shaped muscles, surrounding the natural opening in the body. They control the movement of substances by opening and closing through expansion and contraction.

There are many sphincter in the body, examples are

* Cardiac sphincter...found at the upper area or portion of the stomach.

* Pupilary sphincter..found in the iris of the eye.

* Glisson's sphincter...controlling the secretion of the gall bladder,pancrease and the liver.

6 0

3 years ago