D. presence or absence of a backbone
Answer:
D
Explanation:
All of the animals on the left are vertebrates, or in other words, they have a backbone. The animals on the right are invertebrates or without a backbone. Hope this helps!
A centimeter is much smaller than a meter.
There are actually 100 centimeters in every meter, which means a centimeter is of a meter. Much smaller.
Answer:
Nanoparticles have been shown to make their way through the nasal cavity, across the cribriform plate and into the olfactory bulb--part of the brain.
Explanation:
In other words, heat-trapping gases contribute to creating the cooling conditions in the atmosphere that lead to ozone depletion. Greenhouse gases absorb heat at relatively low altitudes and warm the surface--but they have the opposite effect in higher altitudes because they prevent heat from rising.
Answer: Speed is the distance covered in a unit of time, and acceleration is the rate of change of speed that also takes into consideration direction.
Explanation: That is the answer I have on my note.
B -Honeybee pollinates a flower while gathering nectar
C -Tick gains nourishment by sucking blood from a dog
D -Two bucks fight to gain territory and to gain a mate
The correct answer is B. Honeybee pollinates a flower while gathering nectar.
Mutualism is an interspecific interaction between two species in which both the species are benefited from the interaction. Honeybee visits flower to collect nectar for its food. In the process of collecting nectar, pollen grains stuck to its body. Flower gets pollinated when hone bee visits another flower. Thus, both honeybee and plants get benefit from this interaction.
its B cause it the both good for each other