Comparative anatomy is the study of the similarities and differences in the structures of different species. ... Homologous structures are structures that are similar in related organisms because they were inherited from a common ancestor. These structures may or may not have the same function in the descendants.

7 0

2 years ago

The answer is 51.0 ml but can someone explain why please

professor190 [17]

Answer:

$\boxed{\sf A. \ 51 \ mL}$

Explanation:

Amount of water displaced by the sphere will be equal to the volume of complete sphere.

As the sphere completely sinks to the bottom of the cup.

We have been given;

Diameter of sphere (d) = 4.6 cm

So,

$\sf Radius \: of \: sphere \: (r) = \frac{Diameter \: of \: sphere \: (d)}{2} \\ \sf = \frac{4.6}{2} \\ \sf = 2.3 \: cm$

Volume of sphere (V):

$\boxed{ \bold{V = \frac{4}{3} \pi {r}^{3} }}$

By substituting value of r we get:

$\sf \implies V = \frac{4}{3} \times \pi \times {(2.3)}^{3} \\ \\ \sf \implies V = \frac{4}{3} \times 3.14 \times 12.167 \\ \\ \sf \implies V = \frac{152.81752}{3} \\ \\ \sf \implies V = 50.94 \: {cm}^{3} \\ \\ \sf \implies V \approx 51 \: {cm}^{ 3}$

1 cm³ = 1 mL

$\therefore$

V = 51 mL

So,

Water displaced by the sphere = 51 mL

6 0

3 years ago

Which of the following organisms represents a list of nekton animals.

zhuklara [117]

I believe the correct answer is C. Nektons include bony fish and squid.

4 0

3 years ago

When interacting with the mother of a child who has duchenne muscular dystrophy, the nurse observes behavior indicating that the

Vinvika [58]

The mother may feel guilty about her child's condition because she may think that the child had that disease genetically from one or both of his or her parents. The mother may exhibit signs of self-blaming because she feels like it is her fault that her child is suffering from the disease. The healthcare practitioner should approach the mother in a biopsychosocial approach wherein the mother is allowed to vent out (catharsis), then the healthcare practitioner should make things clearer (educate), and then have the appropriate action given.

4 0

3 years ago