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joja [24]
2 years ago
12

!!!!!!!!!!!!H-E-L-P!!!!!!!!!! How do index fossils help scientists establish how old rocks and other fossils are? In your answer

, include fossils in the same layer of rock, in a lower layer of rock, and in a higher layer of rock compared to an index fossil.
Biology
1 answer:
Artist 52 [7]2 years ago
6 0

Answer:

Certain fossils, called index fossils, help geologists match rock layers. To be useful as an index fossil, a fossil must be widely distributed and represent a type of organism that existed for a brief time period. Index fossils are useful because they tell the relative ages of the rock layers in which they occur.

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The creation of genetically identical offspring by a single parent, without the participation of sperm and egg, is called The cr
finlep [7]

Answer:

Asexual reproduction.

Explanation:

The generation of genetically identical offspring from a single parent, without the fusion of sperm and egg, is called asexual reproduction. Asexual reproduction occurs when there is only one parent from which organism is produced. Budding, binary fission and fragmentation are the different types of asexual reproduction that involves only one parent and no fusion of sperm and egg cells.

7 0
3 years ago
Steroid hormones and thyroid hormones ________ pass across the plasma membrane; they cause the target cells to ________ that pro
tekilochka [14]

Answer:

can ,synthesize specific proteins

Explanation:

Hormones are chemical signals secreted by animals and plant that are capable of regulating body activities and maintain homeostasis.

They are transported in the circulatory system of the body

The action of hormones can be seen after the hormone has bound to its specific receptor found inside the cell.

For instance, steroid hormone and the thyroid hormones can pass through the plasma membrane to their receptors inside the cells.

When they bind with their receptors, the target cells will synthesize specific proteins that produce the characteristic effect of the hormone.

6 0
3 years ago
Which of the following is not a function of the integumentary system? *
Marysya12 [62]

Answer:

D(Movement

Explanation:

The integumentary system, which includes the skin, protects the body and regulates temperature/homeostasis. It also eliminates small amounts of waste, but it does not aid in movement directly.

6 0
2 years ago
What needs to happen for dominant traits to be observed in an organism?
Romashka-Z-Leto [24]

Answer:

The organism's parents have to either be heterogeneous dominant or homogeneous.

Explanation:

When the traits get passed down they either have to have 2 dominant traits or a mix.

7 0
3 years ago
Ground pork should be cooked to an internal temperature of _______________ to destroy the parasite Trichinella spiralis.
patriot [66]

Answer:

160°

Explanation:

Ground pork should be cooked to an internal temperature of 160° to destroy the parasite Trichinella spiralis. 160°F (71°C) 89. All of the following are good instructions for preventing foodborne illness except when shopping, select meat, poultry, or fish first.

3 0
2 years ago
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