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kotykmax [81]
3 years ago
12

Which type of tissue in a blastula gives rise to skin and eyes in an animal

Biology
1 answer:
noname [10]3 years ago
5 0

Answer:

The ectoderm develops into the surface ectoderm, neural crest, and the neural tube. The surface ectoderm develops into: epidermis, hair, nails, lens of the eye, sebaceous glands, cornea, tooth enamel, the epithelium of the mouth and nose.

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Which statement BEST describes the relationship between mass and weight?
MArishka [77]

Answer:

The mass of an object is a measure of the object's inertial property, or the amount of matter it contains. The weight of an object is a measure of the force exerted on the object by gravity, or the force needed to support it. The pull of gravity on the earth gives an object a downward acceleration of about 9.8 m/s2.

Hope this helps:)

7 0
3 years ago
Which would least likely produce genetic variation sexual or a sexual reproduction​
kolbaska11 [484]

Sexual, this is because during sexual reproduction both DNA of the parents is mixed to create an offspring.

Asexual reproduction is almost like a copy of the parent, there is no external DNA going into the production of the offspring.

8 0
3 years ago
Which factors affect hormone levels in your blood
guajiro [1.7K]

Answer:

The endocrine system regulates how much of each hormone is released. This can depend on levels of hormones already in the blood, or on levels of other substances in the blood, like calcium. Many things affect hormone levels, such as stress, infection, and changes in the balance of fluid and minerals in blood. hope it helped

Explanation:

6 0
2 years ago
Two species of garter snake in the genus Thamnophis originated from a single ancestor. These two species live in the same geogra
Julli [10]

Answer:

<h3>Habitat isolation is responsible for causing speciation between the two species of garter snakes.</h3>

Explanation:

  • Habitat isolation is a type of isolation in which two species are barred from mating or interbreeding due to the presence of physical barriers between them such as mountains, rivers, etc.
  • Habitat isolation only can happen if two species occupy different habitats.
  • Example- Gryllus  pennsylvanicus prefer to live in those soil which has less water content like in sandy soil  & Grylus firmus prefers to live in soil rich in water moisture i.e. loamy soil

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3 years ago
PLEASE ANSWER ASAP ** which feature is formed where oceanic plates are separating!!?
grandymaker [24]
Rift valley hope this helps!
8 0
4 years ago
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