Which of the following is an internal structure of a plant?(1 point)
Responses
buds
buds
xylem
xylem
root hairs
root hairs
leaves
leaves
xylem
How do hollow bones improve the survival of birds?(1 point)
Responses
They help them obtain food.
They help them obtain food.
They help them to react to stimuli.
They help them to react to stimuli.
They help them detect predators.
They help them detect predators.
They help them obtain more oxygen.
They help them obtain more oxygen.
They help them obtain more oxygen.
How does phloem improve the survival of plants?(1 point)
Responses
transports water from the soil
transports water from the soil
transports food from the leaves
transports food from the leaves
transports food from the soil
transports food from the soil
transports minerals from the leaves
transports food from the leaves
Which term describes a characteristic or behavior that improves an organism’s ability to survival?(1 point)
Responses
structure
structure
variation
variation
evolution
evolution
adaptation
adaptation